7431113609138 has 16 divisors (see below), whose sum is σ = 11182505934336. Its totient is φ = 3703612105440.

The previous prime is 7431113609137. The next prime is 7431113609141. The reversal of 7431113609138 is 8319063111347.

It is a junction number, because it is equal to n+sod(n) for n = 7431113609092 and 7431113609101.

It is not an unprimeable number, because it can be changed into a prime (7431113609137) 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, 44978903 + ... + 45143813.

It is an arithmetic number, because the mean of its divisors is an integer number (698906620896).

Almost surely, 2^{7431113609138} is an apocalyptic number.

7431113609138 is a deficient number, since it is larger than the sum of its proper divisors (3751392325198).

7431113609138 is a wasteful number, since it uses less digits than its factorization.

7431113609138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237209.

The product of its (nonzero) digits is 326592, while the sum is 47.

The spelling of 7431113609138 in words is "seven trillion, four hundred thirty-one billion, one hundred thirteen million, six hundred nine thousand, one hundred thirty-eight".