131535004 has 24 divisors (see below), whose sum is σ = 233025408. Its totient is φ = 64961520.

The previous prime is 131534951. The next prime is 131535049. The reversal of 131535004 is 400535131.

It is a happy number.

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, 147849 + ... + 148735.

It is an arithmetic number, because the mean of its divisors is an integer number (9709392).

Almost surely, 2^131535004 is an apocalyptic number.

It is an amenable number.

131535004 is a deficient number, since it is larger than the sum of its proper divisors (101490404).

131535004 is a wasteful number, since it uses less digits than its factorization.

131535004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1303 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 131535004 is about 11468.8710865542. The cubic root of 131535004 is about 508.5657563197.

The spelling of 131535004 in words is "one hundred thirty-one million, five hundred thirty-five thousand, four".