139274736434 has 24 divisors (see below), whose sum is σ = 220586033808. Its totient is φ = 65942367480.

The previous prime is 139274736407. The next prime is 139274736449. The reversal of 139274736434 is 434637472931.

139274736434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594229 + ... + 1679319.

It is an arithmetic number, because the mean of its divisors is an integer number (9191084742).

Almost surely, 2^139274736434 is an apocalyptic number.

139274736434 is a deficient number, since it is larger than the sum of its proper divisors (81311297374).

139274736434 is a wasteful number, since it uses less digits than its factorization.

139274736434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87398 (or 87379 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 53.

The spelling of 139274736434 in words is "one hundred thirty-nine billion, two hundred seventy-four million, seven hundred thirty-six thousand, four hundred thirty-four".