129038190 has 16 divisors (see below), whose sum is σ = 309691728. Its totient is φ = 34410176.

The previous prime is 129038159. The next prime is 129038207. The reversal of 129038190 is 91830921.

It is a super-2 number, since 2×129038190² = 33301708956952200, which contains 22 as substring.

It is a congruent 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, 2150607 + ... + 2150666.

It is an arithmetic number, because the mean of its divisors is an integer number (19355733).

Almost surely, 2^129038190 is an apocalyptic number.

129038190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129038190 is an abundant number, since it is smaller than the sum of its proper divisors (180653538).

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

129038190 is a wasteful number, since it uses less digits than its factorization.

129038190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4301283.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 129038190 is about 11359.4977881947. The cubic root of 129038190 is about 505.3272916752.

The spelling of 129038190 in words is "one hundred twenty-nine million, thirty-eight thousand, one hundred ninety".