36240131437 has 2 divisors, whose sum is σ = 36240131438. Its totient is φ = 36240131436.

The previous prime is 36240131423. The next prime is 36240131443. The reversal of 36240131437 is 73413104263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35622410121 + 617721316 = 188739^2 + 24854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36240131437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36240132437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18120065718 + 18120065719.

It is an arithmetic number, because the mean of its divisors is an integer number (18120065719).

Almost surely, 2^36240131437 is an apocalyptic number.

It is an amenable number.

36240131437 is a deficient number, since it is larger than the sum of its proper divisors (1).

36240131437 is an equidigital number, since it uses as much as digits as its factorization.

36240131437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 36240131437 in words is "thirty-six billion, two hundred forty million, one hundred thirty-one thousand, four hundred thirty-seven".