38242149136 has 15 divisors (see below), whose sum is σ = 74095679541. Its totient is φ = 19120683456.

The previous prime is 38242149079. The next prime is 38242149139. The reversal of 38242149136 is 63194124283.

The square root of 38242149136 is 195556.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22667109136 + 15575040000 = 150556^2 + 124800^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38242149092 and 38242149101.

It is not an unprimeable number, because it can be changed into a prime (38242149139) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 757780 + ... + 806668.

Almost surely, 2^38242149136 is an apocalyptic number.

38242149136 is the 195556-th square number.

It is an amenable number.

38242149136 is a deficient number, since it is larger than the sum of its proper divisors (35853530405).

38242149136 is an frugal number, since it uses more digits than its factorization.

38242149136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97786 (or 48891 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The spelling of 38242149136 in words is "thirty-eight billion, two hundred forty-two million, one hundred forty-nine thousand, one hundred thirty-six".