131834542 has 16 divisors (see below), whose sum is σ = 229708512. Its totient is φ = 55573920.

The previous prime is 131834533. The next prime is 131834561. The reversal of 131834542 is 245438131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76333 + ... + 78040.

It is an arithmetic number, because the mean of its divisors is an integer number (14356782).

Almost surely, 2^131834542 is an apocalyptic number.

131834542 is a deficient number, since it is larger than the sum of its proper divisors (97873970).

131834542 is a wasteful number, since it uses less digits than its factorization.

131834542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154443.

The product of its digits is 11520, while the sum is 31.

The square root of 131834542 is about 11481.9224000165. The cubic root of 131834542 is about 508.9515073269.

The spelling of 131834542 in words is "one hundred thirty-one million, eight hundred thirty-four thousand, five hundred forty-two".