131403311244136 has 32 divisors (see below), whose sum is σ = 247678168193280. Its totient is φ = 65355924424000.

The previous prime is 131403311244061. The next prime is 131403311244137. The reversal of 131403311244136 is 631442113304131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131403311244095 and 131403311244104.

It is not an unprimeable number, because it can be changed into a prime (131403311244137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642321 + ... + 16224031.

It is an arithmetic number, because the mean of its divisors is an integer number (7739942756040).

Almost surely, 2^{131403311244136} is an apocalyptic number.

It is an amenable number.

131403311244136 is a deficient number, since it is larger than the sum of its proper divisors (116274856949144).

131403311244136 is a wasteful number, since it uses less digits than its factorization.

131403311244136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587265 (or 15587261 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 131403311244136 its reverse (631442113304131), we get a palindrome (762845424548267).

The spelling of 131403311244136 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred forty-four thousand, one hundred thirty-six".