36140338731 has 16 divisors (see below), whose sum is σ = 55073907968. Its totient is φ = 20650528800.

The previous prime is 36140338723. The next prime is 36140338753. The reversal of 36140338731 is 13783304163.

It is a happy number.

It is not a de Polignac number, because 36140338731 - 2³ = 36140338723 is a prime.

It is a super-2 number, since 2×36140338731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36140338731.

It is not an unprimeable number, because it can be changed into a prime (36140738731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529161 + ... + 593541.

It is an arithmetic number, because the mean of its divisors is an integer number (3442119248).

Almost surely, 2^36140338731 is an apocalyptic number.

36140338731 is a deficient number, since it is larger than the sum of its proper divisors (18933569237).

36140338731 is a wasteful number, since it uses less digits than its factorization.

36140338731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91122.

The product of its (nonzero) digits is 108864, while the sum is 39.

The spelling of 36140338731 in words is "thirty-six billion, one hundred forty million, three hundred thirty-eight thousand, seven hundred thirty-one".