137943516 has 24 divisors (see below), whose sum is σ = 329719824. Its totient is φ = 44859520.

The previous prime is 137943499. The next prime is 137943523. The reversal of 137943516 is 615349731.

137943516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139695 + ... + 140678.

It is an arithmetic number, because the mean of its divisors is an integer number (13738326).

Almost surely, 2^137943516 is an apocalyptic number.

It is an amenable number.

137943516 is an abundant number, since it is smaller than the sum of its proper divisors (191776308).

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

137943516 is a wasteful number, since it uses less digits than its factorization.

137943516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280421 (or 280419 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 137943516 is about 11744.9357597221. The cubic root of 137943516 is about 516.6944109046.

The spelling of 137943516 in words is "one hundred thirty-seven million, nine hundred forty-three thousand, five hundred sixteen".