39744040134 has 24 divisors (see below), whose sum is σ = 83891856600. Its totient is φ = 12550748832.

The previous prime is 39744040099. The next prime is 39744040151. The reversal of 39744040134 is 43104044793.

39744040134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 39744040092 and 39744040101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9172359 + ... + 9176690.

It is an arithmetic number, because the mean of its divisors is an integer number (3495494025).

Almost surely, 2^39744040134 is an apocalyptic number.

39744040134 is an abundant number, since it is smaller than the sum of its proper divisors (44147816466).

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

39744040134 is a wasteful number, since it uses less digits than its factorization.

39744040134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18349092 (or 18349073 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 39744040134 in words is "thirty-nine billion, seven hundred forty-four million, forty thousand, one hundred thirty-four".