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140674131 = 33131792239
BaseRepresentation
bin10000110001010…
…00010001010011
3100210200222122000
420120220101103
5242003033011
621543045043
73325465443
oct1030502123
9323628560
10140674131
1172452614
123b140783
13231b5140
141497c123
15c53b356
hex8628453

140674131 has 32 divisors (see below), whose sum is σ = 225792000. Its totient is φ = 86046624.

The previous prime is 140674129. The next prime is 140674169. The reversal of 140674131 is 131476041.

It is a happy number.

It is not a de Polignac number, because 140674131 - 21 = 140674129 is a prime.

It is a super-2 number, since 2×1406741312 = 39578422265210322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 140674095 and 140674104.

It is not an unprimeable number, because it can be changed into a prime (140674531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61710 + ... + 63948.

It is an arithmetic number, because the mean of its divisors is an integer number (7056000).

Almost surely, 2140674131 is an apocalyptic number.

140674131 is a deficient number, since it is larger than the sum of its proper divisors (85117869).

140674131 is a wasteful number, since it uses less digits than its factorization.

140674131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 140674131 is about 11860.6125895756. The cubic root of 140674131 is about 520.0815096586.

The spelling of 140674131 in words is "one hundred forty million, six hundred seventy-four thousand, one hundred thirty-one".

Divisors: 1 3 9 13 27 39 117 179 351 537 1611 2239 2327 4833 6717 6981 20151 20943 29107 60453 62829 87321 261963 400781 785889 1202343 3607029 5210153 10821087 15630459 46891377 140674131