131767542 has 12 divisors (see below), whose sum is σ = 285496380. Its totient is φ = 43922508.

The previous prime is 131767541. The next prime is 131767543. The reversal of 131767542 is 245767131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131767541) and next prime (131767543).

It is a junction number, because it is equal to n+sod(n) for n = 131767497 and 131767506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131767541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3660192 + ... + 3660227.

It is an arithmetic number, because the mean of its divisors is an integer number (23791365).

Almost surely, 2^131767542 is an apocalyptic number.

131767542 is an abundant number, since it is smaller than the sum of its proper divisors (153728838).

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

131767542 is a wasteful number, since it uses less digits than its factorization.

131767542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320427 (or 7320424 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 131767542 is about 11479.0043993371. The cubic root of 131767542 is about 508.8652741624.

The spelling of 131767542 in words is "one hundred thirty-one million, seven hundred sixty-seven thousand, five hundred forty-two".