1402539 has 8 divisors (see below), whose sum is σ = 1905552. Its totient is φ = 917280.

The previous prime is 1402529. The next prime is 1402543. The reversal of 1402539 is 9352041.

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

It is not a de Polignac number, because 1402539 - 2⁸ = 1402283 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1402519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4252 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (238194).

2^1402539 is an apocalyptic number.

1402539 is a deficient number, since it is larger than the sum of its proper divisors (503013).

1402539 is an equidigital number, since it uses as much as digits as its factorization.

1402539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8877.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1402539 is about 1184.2883939311. The cubic root of 1402539 is about 111.9364807770.

The spelling of 1402539 in words is "one million, four hundred two thousand, five hundred thirty-nine".