138287360407 has 8 divisors (see below), whose sum is σ = 158046248736. Its totient is φ = 118529359872.

The previous prime is 138287360381. The next prime is 138287360467. The reversal of 138287360407 is 704063782831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138287360407 - 2⁷ = 138287360279 is a prime.

It is a super-2 number, since 2×138287360407² (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 (138287360467) 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, 154383 + ... + 548095.

It is an arithmetic number, because the mean of its divisors is an integer number (19755781092).

Almost surely, 2^138287360407 is an apocalyptic number.

138287360407 is a deficient number, since it is larger than the sum of its proper divisors (19758888329).

138287360407 is an equidigital number, since it uses as much as digits as its factorization.

138287360407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443897.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 138287360407 in words is "one hundred thirty-eight billion, two hundred eighty-seven million, three hundred sixty thousand, four hundred seven".