137830290 has 32 divisors (see below), whose sum is σ = 356239296. Its totient is φ = 33927360.

The previous prime is 137830249. The next prime is 137830331. The reversal of 137830290 is 92038731.

137830290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (137830249) and next prime (137830331).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176316 + ... + 177095.

It is an arithmetic number, because the mean of its divisors is an integer number (11132478).

Almost surely, 2^137830290 is an apocalyptic number.

137830290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137830290 is an abundant number, since it is smaller than the sum of its proper divisors (218409006).

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

137830290 is a wasteful number, since it uses less digits than its factorization.

137830290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353434.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 137830290 is about 11740.1145650287. The cubic root of 137830290 is about 516.5530021669.

The spelling of 137830290 in words is "one hundred thirty-seven million, eight hundred thirty thousand, two hundred ninety".