137930144538 has 32 divisors (see below), whose sum is σ = 304786820736. Its totient is φ = 41390801408.

The previous prime is 137930144537. The next prime is 137930144557. The reversal of 137930144538 is 835441039731.

It is a happy number.

137930144538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (137930144537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29394531 + ... + 29399222.

It is an arithmetic number, because the mean of its divisors is an integer number (9524588148).

Almost surely, 2^137930144538 is an apocalyptic number.

137930144538 is an abundant number, since it is smaller than the sum of its proper divisors (166856676198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137930144538 is a wasteful number, since it uses less digits than its factorization.

137930144538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58793798.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 137930144538 in words is "one hundred thirty-seven billion, nine hundred thirty million, one hundred forty-four thousand, five hundred thirty-eight".