138763724007 has 16 divisors (see below), whose sum is σ = 189937784960. Its totient is φ = 90063423072.

The previous prime is 138763723999. The next prime is 138763724107. The reversal of 138763724007 is 700427367831.

It is not a de Polignac number, because 138763724007 - 2³ = 138763723999 is a prime.

It is a super-2 number, since 2×138763724007² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138763724107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712332 + ... + 1791537.

It is an arithmetic number, because the mean of its divisors is an integer number (11871111560).

Almost surely, 2^138763724007 is an apocalyptic number.

138763724007 is a deficient number, since it is larger than the sum of its proper divisors (51174060953).

138763724007 is a wasteful number, since it uses less digits than its factorization.

138763724007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504222.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 138763724007 in words is "one hundred thirty-eight billion, seven hundred sixty-three million, seven hundred twenty-four thousand, seven".