39520069134 has 64 divisors (see below), whose sum is σ = 97432796160. Its totient is φ = 10406522880.

The previous prime is 39520069129. The next prime is 39520069151. The reversal of 39520069134 is 43196002593.

It is a happy number.

It is a super-2 number, since 2×39520069134² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293527 + ... + 406445.

It is an arithmetic number, because the mean of its divisors is an integer number (1522387440).

Almost surely, 2^39520069134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39520069134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48716398080).

39520069134 is an abundant number, since it is smaller than the sum of its proper divisors (57912727026).

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

39520069134 is a wasteful number, since it uses less digits than its factorization.

39520069134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113585.

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 39520069134 in words is "thirty-nine billion, five hundred twenty million, sixty-nine thousand, one hundred thirty-four".