129884034 has 32 divisors (see below), whose sum is σ = 297230976. Its totient is φ = 37065600.

The previous prime is 129883993. The next prime is 129884087. The reversal of 129884034 is 430488921.

It is a super-2 number, since 2×129884034² = 33739724576226312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 129883983 and 129884001.

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, 53454 + ... + 55830.

It is an arithmetic number, because the mean of its divisors is an integer number (9288468).

Almost surely, 2^129884034 is an apocalyptic number.

129884034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

129884034 is an abundant number, since it is smaller than the sum of its proper divisors (167346942).

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

129884034 is a wasteful number, since it uses less digits than its factorization.

129884034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 129884034 is about 11396.6676708589. The cubic root of 129884034 is about 506.4290262731.

The spelling of 129884034 in words is "one hundred twenty-nine million, eight hundred eighty-four thousand, thirty-four".