131944750541 has 2 divisors, whose sum is σ = 131944750542. Its totient is φ = 131944750540.

The previous prime is 131944750519. The next prime is 131944750571. The reversal of 131944750541 is 145057449131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130865956516 + 1078794025 = 361754^2 + 32845^2 .

It is a cyclic number.

It is not a de Polignac number, because 131944750541 - 2²⁶ = 131877641677 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131944750492 and 131944750501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131944750571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65972375270 + 65972375271.

It is an arithmetic number, because the mean of its divisors is an integer number (65972375271).

Almost surely, 2^131944750541 is an apocalyptic number.

It is an amenable number.

131944750541 is a deficient number, since it is larger than the sum of its proper divisors (1).

131944750541 is an equidigital number, since it uses as much as digits as its factorization.

131944750541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 131944750541 in words is "one hundred thirty-one billion, nine hundred forty-four million, seven hundred fifty thousand, five hundred forty-one".