131615642804 has 12 divisors (see below), whose sum is σ = 230330536128. Its totient is φ = 65806918200.

The previous prime is 131615642801. The next prime is 131615642827. The reversal of 131615642804 is 408246516131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131615642801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185189 + ... + 545459.

It is an arithmetic number, because the mean of its divisors is an integer number (19194211344).

Almost surely, 2^131615642804 is an apocalyptic number.

It is an amenable number.

131615642804 is a deficient number, since it is larger than the sum of its proper divisors (98714893324).

131615642804 is a wasteful number, since it uses less digits than its factorization.

131615642804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451606 (or 451604 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 131615642804 in words is "one hundred thirty-one billion, six hundred fifteen million, six hundred forty-two thousand, eight hundred four".