7340139 has 10 divisors (see below), whose sum is σ = 10965020. Its totient is φ = 4893372.

The previous prime is 7340119. The next prime is 7340147. The reversal of 7340139 is 9310437.

It is not a de Polignac number, because 7340139 - 2²⁰ = 6291563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7340119) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45229 + ... + 45390.

It is an arithmetic number, because the mean of its divisors is an integer number (1096502).

Almost surely, 2^7340139 is an apocalyptic number.

7340139 is a deficient number, since it is larger than the sum of its proper divisors (3624881).

7340139 is an equidigital number, since it uses as much as digits as its factorization.

7340139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90631 (or 90622 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 7340139 is about 2709.2690896255. The cubic root of 7340139 is about 194.3426385402.

The spelling of 7340139 in words is "seven million, three hundred forty thousand, one hundred thirty-nine".