39129850140 has 48 divisors (see below), whose sum is σ = 110054934528. Its totient is φ = 10387831104.

The previous prime is 39129850117. The next prime is 39129850153. The reversal of 39129850140 is 4105892193.

It is a super-2 number, since 2×39129850140² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 39129850092 and 39129850101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1448872 + ... + 1475631.

It is an arithmetic number, because the mean of its divisors is an integer number (2292811136).

Almost surely, 2^39129850140 is an apocalyptic number.

39129850140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39129850140 is an abundant number, since it is smaller than the sum of its proper divisors (70925084388).

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

39129850140 is a wasteful number, since it uses less digits than its factorization.

39129850140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924738 (or 2924736 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 39129850140 in words is "thirty-nine billion, one hundred twenty-nine million, eight hundred fifty thousand, one hundred forty".