131403640363 has 4 divisors (see below), whose sum is σ = 131410681128. Its totient is φ = 131396599600.

The previous prime is 131403640339. The next prime is 131403640367. The reversal of 131403640363 is 363046304131.

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 131403640363 - 2⁵ = 131403640331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131403640367) 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, 3492313 + ... + 3529738.

It is an arithmetic number, because the mean of its divisors is an integer number (32852670282).

Almost surely, 2^131403640363 is an apocalyptic number.

131403640363 is a deficient number, since it is larger than the sum of its proper divisors (7040765).

131403640363 is an equidigital number, since it uses as much as digits as its factorization.

131403640363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7040764.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 131403640363 its reverse (363046304131), we get a palindrome (494449944494).

The spelling of 131403640363 in words is "one hundred thirty-one billion, four hundred three million, six hundred forty thousand, three hundred sixty-three".