137799398 has 12 divisors (see below), whose sum is σ = 227198580. Its totient is φ = 62635980.

The previous prime is 137799379. The next prime is 137799469. The reversal of 137799398 is 893997731.

137799398 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 284468 + ... + 284951.

It is an arithmetic number, because the mean of its divisors is an integer number (18933215).

Almost surely, 2^137799398 is an apocalyptic number.

137799398 is a deficient number, since it is larger than the sum of its proper divisors (89399182).

137799398 is a wasteful number, since it uses less digits than its factorization.

137799398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569443 (or 569432 counting only the distinct ones).

The product of its digits is 2571912, while the sum is 56.

The square root of 137799398 is about 11738.7988312263. The cubic root of 137799398 is about 516.5144074872.

The spelling of 137799398 in words is "one hundred thirty-seven million, seven hundred ninety-nine thousand, three hundred ninety-eight".