137390533018 has 16 divisors (see below), whose sum is σ = 216339390720. Its totient is φ = 65352520800.

The previous prime is 137390532973. The next prime is 137390533019. The reversal of 137390533018 is 810335093731.

It is not an unprimeable number, because it can be changed into a prime (137390533019) 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 7 ways as a sum of consecutive naturals, for example, 18775803 + ... + 18783118.

It is an arithmetic number, because the mean of its divisors is an integer number (13521211920).

Almost surely, 2^137390533018 is an apocalyptic number.

137390533018 is a deficient number, since it is larger than the sum of its proper divisors (78948857702).

137390533018 is a wasteful number, since it uses less digits than its factorization.

137390533018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37559013.

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 137390533018 in words is "one hundred thirty-seven billion, three hundred ninety million, five hundred thirty-three thousand, eighteen".