131429898 has 32 divisors (see below), whose sum is σ = 292720320. Its totient is φ = 43711920.

The previous prime is 131429891. The next prime is 131429899. The reversal of 131429898 is 898924131.

131429898 is a `hidden beast` number, since 131 + 429 + 8 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (131429891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24036 + ... + 28992.

It is an arithmetic number, because the mean of its divisors is an integer number (9147510).

Almost surely, 2^131429898 is an apocalyptic number.

131429898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131429898 is an abundant number, since it is smaller than the sum of its proper divisors (161290422).

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

131429898 is a wasteful number, since it uses less digits than its factorization.

131429898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459 (or 5453 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 131429898 is about 11464.2879412548. The cubic root of 131429898 is about 508.4302599252.

The spelling of 131429898 in words is "one hundred thirty-one million, four hundred twenty-nine thousand, eight hundred ninety-eight".