131653063651 has 4 divisors (see below), whose sum is σ = 135899936704. Its totient is φ = 127406190600.

The previous prime is 131653063649. The next prime is 131653063667. The reversal of 131653063651 is 156360356131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131653063651 - 2¹ = 131653063649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131653063631) 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, 2123436480 + ... + 2123436541.

It is an arithmetic number, because the mean of its divisors is an integer number (33974984176).

Almost surely, 2^131653063651 is an apocalyptic number.

131653063651 is a deficient number, since it is larger than the sum of its proper divisors (4246873053).

131653063651 is an equidigital number, since it uses as much as digits as its factorization.

131653063651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246873052.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 131653063651 in words is "one hundred thirty-one billion, six hundred fifty-three million, sixty-three thousand, six hundred fifty-one".