137223792 has 30 divisors (see below), whose sum is σ = 384036432. Its totient is φ = 45741216.

The previous prime is 137223769. The next prime is 137223803. The reversal of 137223792 is 297322731.

137223792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 476328 + ... + 476615.

Almost surely, 2^137223792 is an apocalyptic number.

137223792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137223792 is an abundant number, since it is smaller than the sum of its proper divisors (246812640).

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

137223792 is a wasteful number, since it uses less digits than its factorization.

137223792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952957 (or 952948 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 137223792 is about 11714.2559302757. The cubic root of 137223792 is about 515.7942211741.

The spelling of 137223792 in words is "one hundred thirty-seven million, two hundred twenty-three thousand, seven hundred ninety-two".