137423210 has 16 divisors (see below), whose sum is σ = 247557600. Its totient is φ = 54925776.

The previous prime is 137423207. The next prime is 137423239. The reversal of 137423210 is 12324731.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9881 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (15472350).

Almost surely, 2^137423210 is an apocalyptic number.

137423210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137423210 is a deficient number, since it is larger than the sum of its proper divisors (110134390).

137423210 is a wasteful number, since it uses less digits than its factorization.

137423210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10885.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 137423210 is about 11722.7646056722. The cubic root of 137423210 is about 516.0439564541.

Adding to 137423210 its reverse (12324731), we get a palindrome (149747941).

The spelling of 137423210 in words is "one hundred thirty-seven million, four hundred twenty-three thousand, two hundred ten".