129414390 has 48 divisors (see below), whose sum is σ = 361307952. Its totient is φ = 29580096.

The previous prime is 129414379. The next prime is 129414401. The reversal of 129414390 is 93414921.

It is an interprime number because it is at equal distance from previous prime (129414379) and next prime (129414401).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42549 + ... + 45488.

It is an arithmetic number, because the mean of its divisors is an integer number (7527249).

Almost surely, 2^129414390 is an apocalyptic number.

129414390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129414390 is an abundant number, since it is smaller than the sum of its proper divisors (231893562).

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

129414390 is a wasteful number, since it uses less digits than its factorization.

129414390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88061 (or 88054 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 129414390 is about 11376.0445674232. The cubic root of 129414390 is about 505.8178949650.

The spelling of 129414390 in words is "one hundred twenty-nine million, four hundred fourteen thousand, three hundred ninety".