137967398 has 16 divisors (see below), whose sum is σ = 218137920. Its totient is φ = 65264616.

The previous prime is 137967397. The next prime is 137967449. The reversal of 137967398 is 893769731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137967397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32465 + ... + 36467.

It is an arithmetic number, because the mean of its divisors is an integer number (13633620).

Almost surely, 2^137967398 is an apocalyptic number.

137967398 is a deficient number, since it is larger than the sum of its proper divisors (80170522).

137967398 is a wasteful number, since it uses less digits than its factorization.

137967398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931.

The product of its digits is 1714608, while the sum is 53.

The square root of 137967398 is about 11745.9524092344. The cubic root of 137967398 is about 516.7242274175.

The spelling of 137967398 in words is "one hundred thirty-seven million, nine hundred sixty-seven thousand, three hundred ninety-eight".