138313453835 has 16 divisors (see below), whose sum is σ = 179433674400. Its totient is φ = 101993872896.

The previous prime is 138313453829. The next prime is 138313453843. The reversal of 138313453835 is 538354313831.

It is a cyclic number.

It is not a de Polignac number, because 138313453835 - 2⁴ = 138313453819 is a prime.

It is a super-2 number, since 2×138313453835² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 138313453835.

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, 19671230 + ... + 19678259.

It is an arithmetic number, because the mean of its divisors is an integer number (11214604650).

Almost surely, 2^138313453835 is an apocalyptic number.

138313453835 is a deficient number, since it is larger than the sum of its proper divisors (41120220565).

138313453835 is a wasteful number, since it uses less digits than its factorization.

138313453835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39349550.

The product of its digits is 1555200, while the sum is 47.

The spelling of 138313453835 in words is "one hundred thirty-eight billion, three hundred thirteen million, four hundred fifty-three thousand, eight hundred thirty-five".