131654538653 has 4 divisors (see below), whose sum is σ = 143623133088. Its totient is φ = 119685944220.

The previous prime is 131654538629. The next prime is 131654538773. The reversal of 131654538653 is 356835456131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131654538653 - 2¹⁶ = 131654473117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131654528653) 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, 5984297201 + ... + 5984297222.

It is an arithmetic number, because the mean of its divisors is an integer number (35905783272).

Almost surely, 2^131654538653 is an apocalyptic number.

It is an amenable number.

131654538653 is a deficient number, since it is larger than the sum of its proper divisors (11968594435).

131654538653 is a wasteful number, since it uses less digits than its factorization.

131654538653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11968594434.

The product of its digits is 3888000, while the sum is 50.

The spelling of 131654538653 in words is "one hundred thirty-one billion, six hundred fifty-four million, five hundred thirty-eight thousand, six hundred fifty-three".