137449816 has 32 divisors (see below), whose sum is σ = 295575840. Its totient is φ = 58699008.

The previous prime is 137449787. The next prime is 137449847. The reversal of 137449816 is 618944731.

137449816 is digitally balanced in base 3, 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, 12220 + ... + 20596.

It is an arithmetic number, because the mean of its divisors is an integer number (9236745).

Almost surely, 2^137449816 is an apocalyptic number.

It is an amenable number.

137449816 is an abundant number, since it is smaller than the sum of its proper divisors (158126024).

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

137449816 is a wasteful number, since it uses less digits than its factorization.

137449816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8683 (or 8679 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 137449816 is about 11723.8993513251. The cubic root of 137449816 is about 516.0772574264.

The spelling of 137449816 in words is "one hundred thirty-seven million, four hundred forty-nine thousand, eight hundred sixteen".