7552139 has 8 divisors (see below), whose sum is σ = 9085440. Its totient is φ = 6132456.

The previous prime is 7552123. The next prime is 7552169. The reversal of 7552139 is 9312557.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7552139 - 2⁴ = 7552123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7552109) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28259 + ... + 28524.

It is an arithmetic number, because the mean of its divisors is an integer number (1135680).

Almost surely, 2^7552139 is an apocalyptic number.

7552139 is a deficient number, since it is larger than the sum of its proper divisors (1533301).

7552139 is a wasteful number, since it uses less digits than its factorization.

7552139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56809.

The product of its digits is 9450, while the sum is 32.

The square root of 7552139 is about 2748.1155361447. The cubic root of 7552139 is about 196.1959289553.

The spelling of 7552139 in words is "seven million, five hundred fifty-two thousand, one hundred thirty-nine".