131478192 has 60 divisors (see below), whose sum is σ = 379838784. Its totient is φ = 42410880.

The previous prime is 131478169. The next prime is 131478197. The reversal of 131478192 is 291874131.

It is a happy number.

It is a super-3 number, since 3×131478192³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (131478197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10263 + ... + 19190.

Almost surely, 2^131478192 is an apocalyptic number.

131478192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131478192 is an abundant number, since it is smaller than the sum of its proper divisors (248360592).

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

131478192 is a wasteful number, since it uses less digits than its factorization.

131478192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29498 (or 29489 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 131478192 is about 11466.3940277665. The cubic root of 131478192 is about 508.4925266404.

The spelling of 131478192 in words is "one hundred thirty-one million, four hundred seventy-eight thousand, one hundred ninety-two".