36138777144 has 64 divisors (see below), whose sum is σ = 92309414400. Its totient is φ = 11784820224.

The previous prime is 36138777139. The next prime is 36138777211. The reversal of 36138777144 is 44177783163.

It is a super-2 number, since 2×36138777144² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262287 + ... + 3273345.

It is an arithmetic number, because the mean of its divisors is an integer number (1442334600).

Almost surely, 2^36138777144 is an apocalyptic number.

It is an amenable number.

36138777144 is an abundant number, since it is smaller than the sum of its proper divisors (56170637256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36138777144 is a wasteful number, since it uses less digits than its factorization.

36138777144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14012 (or 14008 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The spelling of 36138777144 in words is "thirty-six billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, one hundred forty-four".