137038398 has 48 divisors (see below), whose sum is σ = 329838480. Its totient is φ = 37801344.

The previous prime is 137038387. The next prime is 137038403. The reversal of 137038398 is 893830731.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (6871635).

Almost surely, 2^137038398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137038398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164919240).

137038398 is an abundant number, since it is smaller than the sum of its proper divisors (192800082).

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

137038398 is a wasteful number, since it uses less digits than its factorization.

137038398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16121 (or 16114 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 137038398 is about 11706.3400770693. The cubic root of 137038398 is about 515.5618313213.

The spelling of 137038398 in words is "one hundred thirty-seven million, thirty-eight thousand, three hundred ninety-eight".