131654405061 has 24 divisors (see below), whose sum is σ = 192092957784. Its totient is φ = 86881305600.

The previous prime is 131654405023. The next prime is 131654405119. The reversal of 131654405061 is 160504456131.

131654405061 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 544 + 0 + 50 + 61 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 33187730625 + 98466674436 = 182175^2 + 313794^2 .

It is not a de Polignac number, because 131654405061 - 2¹³ = 131654396869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131654405011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4910685 + ... + 4937421.

It is an arithmetic number, because the mean of its divisors is an integer number (8003873241).

Almost surely, 2^131654405061 is an apocalyptic number.

It is an amenable number.

131654405061 is a deficient number, since it is larger than the sum of its proper divisors (60438552723).

131654405061 is a wasteful number, since it uses less digits than its factorization.

131654405061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32261 (or 32258 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 131654405061 in words is "one hundred thirty-one billion, six hundred fifty-four million, four hundred five thousand, sixty-one".