139557926653 has 4 divisors (see below), whose sum is σ = 139563336960. Its totient is φ = 139552516348.

The previous prime is 139557926647. The next prime is 139557926657. The reversal of 139557926653 is 356629755931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356629755931 = 251 ⋅1420835681.

It is a cyclic number.

It is not a de Polignac number, because 139557926653 - 2⁵ = 139557926621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139557926591 and 139557926600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139557926657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666275 + ... + 2718112.

It is an arithmetic number, because the mean of its divisors is an integer number (34890834240).

Almost surely, 2^139557926653 is an apocalyptic number.

It is an amenable number.

139557926653 is a deficient number, since it is larger than the sum of its proper divisors (5410307).

139557926653 is an equidigital number, since it uses as much as digits as its factorization.

139557926653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410306.

The product of its digits is 45927000, while the sum is 61.

The spelling of 139557926653 in words is "one hundred thirty-nine billion, five hundred fifty-seven million, nine hundred twenty-six thousand, six hundred fifty-three".