2139528424 has 16 divisors (see below), whose sum is σ = 4376308320. Its totient is φ = 972512880.

The previous prime is 2139528371. The next prime is 2139528427. The reversal of 2139528424 is 4248259312.

It is not an unprimeable number, because it can be changed into a prime (2139528427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12156324 + ... + 12156499.

It is an arithmetic number, because the mean of its divisors is an integer number (273519270).

Almost surely, 2^2139528424 is an apocalyptic number.

It is an amenable number.

2139528424 is an abundant number, since it is smaller than the sum of its proper divisors (2236779896).

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

2139528424 is a wasteful number, since it uses less digits than its factorization.

2139528424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24312840 (or 24312836 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 2139528424 is about 46255.0367419592. The cubic root of 2139528424 is about 1288.5640781840.

The spelling of 2139528424 in words is "two billion, one hundred thirty-nine million, five hundred twenty-eight thousand, four hundred twenty-four".