139375531008 has 1056 divisors, whose sum is σ = 515018649600. Its totient is φ = 37553725440.

The previous prime is 139375531007. The next prime is 139375531013. The reversal of 139375531008 is 800135573931.

139375531008 is a `hidden beast` number, since 1 + 3 + 93 + 7 + 553 + 1 + 0 + 0 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139375531007) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1963035613 + ... + 1963035683.

Almost surely, 2^139375531008 is an apocalyptic number.

139375531008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139375531008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257509324800).

139375531008 is an abundant number, since it is smaller than the sum of its proper divisors (375643118592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139375531008 is an frugal number, since it uses more digits than its factorization.

139375531008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 139375531008 in words is "one hundred thirty-nine billion, three hundred seventy-five million, five hundred thirty-one thousand, eight".