131453940693 has 8 divisors (see below), whose sum is σ = 176180066368. Its totient is φ = 87181887744.

The previous prime is 131453940691. The next prime is 131453940719. The reversal of 131453940693 is 396049354131.

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

It is not a de Polignac number, because 131453940693 - 2¹ = 131453940691 is a prime.

It is a super-2 number, since 2×131453940693² (a number of 23 digits) contains 22 as substring.

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 (131453940691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113517505 + ... + 113518662.

It is an arithmetic number, because the mean of its divisors is an integer number (22022508296).

Almost surely, 2^131453940693 is an apocalyptic number.

It is an amenable number.

131453940693 is a deficient number, since it is larger than the sum of its proper divisors (44726125675).

131453940693 is a wasteful number, since it uses less digits than its factorization.

131453940693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227036363.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 131453940693 in words is "one hundred thirty-one billion, four hundred fifty-three million, nine hundred forty thousand, six hundred ninety-three".