2139652 has 6 divisors (see below), whose sum is σ = 3744398. Its totient is φ = 1069824.

The previous prime is 2139611. The next prime is 2139653. The reversal of 2139652 is 2569312.

It can be written as a sum of positive squares in only one way, i.e., 1473796 + 665856 = 1214^2 + 816^2 .

It is a super-2 number, since 2×2139652² = 9156221362208, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁸ + 9 + 6² + 5⁵ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2139652.

It is not an unprimeable number, because it can be changed into a prime (2139653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267453 + ... + 267460.

2^2139652 is an apocalyptic number.

It is an amenable number.

2139652 is a deficient number, since it is larger than the sum of its proper divisors (1604746).

2139652 is a wasteful number, since it uses less digits than its factorization.

2139652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534917 (or 534915 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 2139652 is about 1462.7549350455. The cubic root of 2139652 is about 128.8588886225.

The spelling of 2139652 in words is "two million, one hundred thirty-nine thousand, six hundred fifty-two".