137198394 has 32 divisors (see below), whose sum is σ = 309890880. Its totient is φ = 44982000.

The previous prime is 137198393. The next prime is 137198401. The reversal of 137198394 is 493891731.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137198393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17532 + ... + 24119.

It is an arithmetic number, because the mean of its divisors is an integer number (9684090).

Almost surely, 2^137198394 is an apocalyptic number.

137198394 is an abundant number, since it is smaller than the sum of its proper divisors (172692486).

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

137198394 is a wasteful number, since it uses less digits than its factorization.

137198394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41723 (or 41717 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 137198394 is about 11713.1718163783. The cubic root of 137198394 is about 515.7623973683.

The spelling of 137198394 in words is "one hundred thirty-seven million, one hundred ninety-eight thousand, three hundred ninety-four".