137081816 has 8 divisors (see below), whose sum is σ = 257028420. Its totient is φ = 68540904.

The previous prime is 137081803. The next prime is 137081821. The reversal of 137081816 is 618180731.

137081816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8567606 + ... + 8567621.

Almost surely, 2^137081816 is an apocalyptic number.

It is an amenable number.

137081816 is a deficient number, since it is larger than the sum of its proper divisors (119946604).

137081816 is a wasteful number, since it uses less digits than its factorization.

137081816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135233 (or 17135229 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 137081816 is about 11708.1943953797. The cubic root of 137081816 is about 515.6162742129.

The spelling of 137081816 in words is "one hundred thirty-seven million, eighty-one thousand, eight hundred sixteen".