138613145036 has 24 divisors (see below), whose sum is σ = 247143279600. Its totient is φ = 68011988672.

The previous prime is 138613144991. The next prime is 138613145039. The reversal of 138613145036 is 630541316831.

It is a junction number, because it is equal to n+sod(n) for n = 138613144984 and 138613145002.

It is not an unprimeable number, because it can be changed into a prime (138613145039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351571 + ... + 1450506.

It is an arithmetic number, because the mean of its divisors is an integer number (10297636650).

Almost surely, 2^138613145036 is an apocalyptic number.

It is an amenable number.

138613145036 is a deficient number, since it is larger than the sum of its proper divisors (108530134564).

138613145036 is a wasteful number, since it uses less digits than its factorization.

138613145036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802313 (or 2802311 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 138613145036 in words is "one hundred thirty-eight billion, six hundred thirteen million, one hundred forty-five thousand, thirty-six".