65139893156 has 48 divisors (see below), whose sum is σ = 126861385728. Its totient is φ = 29063145600.

The previous prime is 65139893101. The next prime is 65139893197.

It is a happy number.

65139893156 is nontrivially palindromic in base 10.

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 15 ways as a sum of consecutive naturals, for example, 1495421 + ... + 1538363.

It is an arithmetic number, because the mean of its divisors is an integer number (2642945536).

Almost surely, 2^65139893156 is an apocalyptic number.

It is an amenable number.

65139893156 is a deficient number, since it is larger than the sum of its proper divisors (61721492572).

65139893156 is a wasteful number, since it uses less digits than its factorization.

65139893156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43932 (or 43930 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 56.

The spelling of 65139893156 in words is "sixty-five billion, one hundred thirty-nine million, eight hundred ninety-three thousand, one hundred fifty-six".