137992250 has 96 divisors (see below), whose sum is σ = 299557440. Its totient is φ = 47196000.

The previous prime is 137992243. The next prime is 137992271. The reversal of 137992250 is 52299731.

137992250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137992250² = 38083722120125000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 992681 + ... + 992819.

It is an arithmetic number, because the mean of its divisors is an integer number (3120390).

Almost surely, 2^137992250 is an apocalyptic number.

137992250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137992250 is an abundant number, since it is smaller than the sum of its proper divisors (161565190).

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

137992250 is a wasteful number, since it uses less digits than its factorization.

137992250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 137992250 is about 11747.0102579337. The cubic root of 137992250 is about 516.7552513157.

The spelling of 137992250 in words is "one hundred thirty-seven million, nine hundred ninety-two thousand, two hundred fifty".