139874834451 has 32 divisors (see below), whose sum is σ = 206251246080. Its totient is φ = 83613632000.

The previous prime is 139874834431. The next prime is 139874834471. The reversal of 139874834451 is 154438478931.

It is an interprime number because it is at equal distance from previous prime (139874834431) and next prime (139874834471).

It is a cyclic number.

It is not a de Polignac number, because 139874834451 - 2⁶ = 139874834387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 139874834391 and 139874834400.

It is not an unprimeable number, because it can be changed into a prime (139874834431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 796795 + ... + 956363.

It is an arithmetic number, because the mean of its divisors is an integer number (6445351440).

Almost surely, 2^139874834451 is an apocalyptic number.

139874834451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

139874834451 is a deficient number, since it is larger than the sum of its proper divisors (66376411629).

139874834451 is a wasteful number, since it uses less digits than its factorization.

139874834451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159947.

The product of its digits is 11612160, while the sum is 57.

The spelling of 139874834451 in words is "one hundred thirty-nine billion, eight hundred seventy-four million, eight hundred thirty-four thousand, four hundred fifty-one".