137440398 has 8 divisors (see below), whose sum is σ = 274880808. Its totient is φ = 45813464.

The previous prime is 137440379. The next prime is 137440403. The reversal of 137440398 is 893044731.

It is a sphenic number, since it is the product of 3 distinct primes.

137440398 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11453361 + ... + 11453372.

It is an arithmetic number, because the mean of its divisors is an integer number (34360101).

Almost surely, 2^137440398 is an apocalyptic number.

137440398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137440398 is a wasteful number, since it uses less digits than its factorization.

137440398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22906738.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 137440398 is about 11723.4976862709. The cubic root of 137440398 is about 516.0654700295.

The spelling of 137440398 in words is "one hundred thirty-seven million, four hundred forty thousand, three hundred ninety-eight".