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139460853 = 376640993
BaseRepresentation
bin10000101000000…
…00000011110101
3100201102100022210
420110000003311
5241200221403
621501044033
73312253260
oct1024000365
9321370283
10139460853
11717a4004
123a856619
1322b7bb1c
1414743cd7
15c39bb03
hex85000f5

139460853 has 8 divisors (see below), whose sum is σ = 212511808. Its totient is φ = 79691904.

The previous prime is 139460819. The next prime is 139460857. The reversal of 139460853 is 358064931.

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

It is not a de Polignac number, because 139460853 - 217 = 139329781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139460857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3320476 + ... + 3320517.

It is an arithmetic number, because the mean of its divisors is an integer number (26563976).

Almost surely, 2139460853 is an apocalyptic number.

It is an amenable number.

139460853 is a deficient number, since it is larger than the sum of its proper divisors (73050955).

139460853 is an equidigital number, since it uses as much as digits as its factorization.

139460853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641003.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 139460853 is about 11809.3544700801. The cubic root of 139460853 is about 518.5820008946.

The spelling of 139460853 in words is "one hundred thirty-nine million, four hundred sixty thousand, eight hundred fifty-three".

Divisors: 1 3 7 21 6640993 19922979 46486951 139460853