139845513 has 8 divisors (see below), whose sum is σ = 187884576. Its totient is φ = 92518400.

The previous prime is 139845481. The next prime is 139845571. The reversal of 139845513 is 315548931.

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 139845513 - 2⁵ = 139845481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139845593) 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, 177528 + ... + 178313.

It is an arithmetic number, because the mean of its divisors is an integer number (23485572).

Almost surely, 2^139845513 is an apocalyptic number.

It is an amenable number.

139845513 is a deficient number, since it is larger than the sum of its proper divisors (48039063).

139845513 is a wasteful number, since it uses less digits than its factorization.

139845513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355975.

The product of its digits is 64800, while the sum is 39.

The square root of 139845513 is about 11825.6294969866. The cubic root of 139845513 is about 519.0583463571.

The spelling of 139845513 in words is "one hundred thirty-nine million, eight hundred forty-five thousand, five hundred thirteen".