113129210 has 16 divisors (see below), whose sum is σ = 203879592. Its totient is φ = 45196800.

The previous prime is 113129201. The next prime is 113129213. The reversal of 113129210 is 12921311.

It can be written as a sum of positive squares in 4 ways, for example, as 71048041 + 42081169 = 8429^2 + 6487^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113129213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 15230.

Almost surely, 2^113129210 is an apocalyptic number.

113129210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113129210 is a deficient number, since it is larger than the sum of its proper divisors (90750382).

113129210 is a wasteful number, since it uses less digits than its factorization.

113129210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13729.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 113129210 is about 10636.2216035583. The cubic root of 113129210 is about 483.6430130613.

The spelling of 113129210 in words is "one hundred thirteen million, one hundred twenty-nine thousand, two hundred ten".