139625697243 has 8 divisors (see below), whose sum is σ = 186184384000. Its totient is φ = 93075404328.

The previous prime is 139625697221. The next prime is 139625697283. The reversal of 139625697243 is 342796526931.

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

It is not a de Polignac number, because 139625697243 - 2¹⁰ = 139625696219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139625697283) 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, 2059543 + ... + 2126256.

It is an arithmetic number, because the mean of its divisors is an integer number (23273048000).

Almost surely, 2^139625697243 is an apocalyptic number.

139625697243 is a deficient number, since it is larger than the sum of its proper divisors (46558686757).

139625697243 is a wasteful number, since it uses less digits than its factorization.

139625697243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196921.

The product of its digits is 14696640, while the sum is 57.

The spelling of 139625697243 in words is "one hundred thirty-nine billion, six hundred twenty-five million, six hundred ninety-seven thousand, two hundred forty-three".