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140133657 = 361775707
BaseRepresentation
bin10000101101001…
…00010100011001
3100202200112020110
420112210110121
5241333234112
621523314533
73321054636
oct1026442431
9322615213
10140133657
1172113544
123ab1ba49
1323056131
141487b18d
15c48113c
hex85a4519

140133657 has 8 divisors (see below), whose sum is σ = 187150176. Its totient is φ = 93269792.

The previous prime is 140133599. The next prime is 140133661. The reversal of 140133657 is 756331041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140133657 - 26 = 140133593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140133677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36003 + ... + 39704.

It is an arithmetic number, because the mean of its divisors is an integer number (23393772).

Almost surely, 2140133657 is an apocalyptic number.

It is an amenable number.

140133657 is a deficient number, since it is larger than the sum of its proper divisors (47016519).

140133657 is an equidigital number, since it uses as much as digits as its factorization.

140133657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76327.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 140133657 is about 11837.8062579179. The cubic root of 140133657 is about 519.4145988624.

Adding to 140133657 its reverse (756331041), we get a palindrome (896464698).

The spelling of 140133657 in words is "one hundred forty million, one hundred thirty-three thousand, six hundred fifty-seven".

Divisors: 1 3 617 1851 75707 227121 46711219 140133657