131879342 has 16 divisors (see below), whose sum is σ = 237978240. Its totient is φ = 53544888.

The previous prime is 131879311. The next prime is 131879389. The reversal of 131879342 is 243978131.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 131879296 and 131879305.

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, 247628 + ... + 248159.

It is an arithmetic number, because the mean of its divisors is an integer number (14873640).

Almost surely, 2^131879342 is an apocalyptic number.

131879342 is a deficient number, since it is larger than the sum of its proper divisors (106098898).

131879342 is a wasteful number, since it uses less digits than its factorization.

131879342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495815.

The product of its digits is 36288, while the sum is 38.

The square root of 131879342 is about 11483.8731271292. The cubic root of 131879342 is about 509.0091514135.

The spelling of 131879342 in words is "one hundred thirty-one million, eight hundred seventy-nine thousand, three hundred forty-two".