131405345135534 has 8 divisors (see below), whose sum is σ = 205677931516560. Its totient is φ = 62846034630016.

The previous prime is 131405345135513. The next prime is 131405345135587. The reversal of 131405345135534 is 435531543504131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428318968819 + ... + 1428318968910.

It is an arithmetic number, because the mean of its divisors is an integer number (25709741439570).

Almost surely, 2^{131405345135534} is an apocalyptic number.

131405345135534 is a deficient number, since it is larger than the sum of its proper divisors (74272586381026).

131405345135534 is a wasteful number, since it uses less digits than its factorization.

131405345135534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856637937754.

The product of its (nonzero) digits is 3240000, while the sum is 47.

Adding to 131405345135534 its reverse (435531543504131), we get a palindrome (566936888639665).

The spelling of 131405345135534 in words is "one hundred thirty-one trillion, four hundred five billion, three hundred forty-five million, one hundred thirty-five thousand, five hundred thirty-four".