137609616 has 20 divisors (see below), whose sum is σ = 355491632. Its totient is φ = 45869856.

The previous prime is 137609587. The next prime is 137609617. The reversal of 137609616 is 616906731.

137609616 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 (137609617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433386 + ... + 1433481.

Almost surely, 2^137609616 is an apocalyptic number.

137609616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

137609616 is an abundant number, since it is smaller than the sum of its proper divisors (217882016).

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

137609616 is a wasteful number, since it uses less digits than its factorization.

137609616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866878 (or 2866872 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 137609616 is about 11730.7125103295. The cubic root of 137609616 is about 516.2771781661.

The spelling of 137609616 in words is "one hundred thirty-seven million, six hundred nine thousand, six hundred sixteen".