137600290 has 8 divisors (see below), whose sum is σ = 247680540. Its totient is φ = 55040112.

The previous prime is 137600263. The next prime is 137600291. The reversal of 137600290 is 92006731.

It can be written as a sum of positive squares in 2 ways, for example, as 128618281 + 8982009 = 11341^2 + 2997^2 .

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

It is not an unprimeable number, because it can be changed into a prime (137600291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6880005 + ... + 6880024.

Almost surely, 2^137600290 is an apocalyptic number.

137600290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137600290 is a deficient number, since it is larger than the sum of its proper divisors (110080250).

137600290 is a wasteful number, since it uses less digits than its factorization.

137600290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760036.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 137600290 is about 11730.3150000330. The cubic root of 137600290 is about 516.2655149556.

The spelling of 137600290 in words is "one hundred thirty-seven million, six hundred thousand, two hundred ninety".