107402539 has 4 divisors (see below), whose sum is σ = 109429056. Its totient is φ = 105376024.

The previous prime is 107402531. The next prime is 107402557. The reversal of 107402539 is 935204701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107402539 - 2³ = 107402531 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107402539.

It is not an unprimeable number, because it can be changed into a prime (107402531) 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, 1013179 + ... + 1013284.

It is an arithmetic number, because the mean of its divisors is an integer number (27357264).

Almost surely, 2^107402539 is an apocalyptic number.

107402539 is a deficient number, since it is larger than the sum of its proper divisors (2026517).

107402539 is an equidigital number, since it uses as much as digits as its factorization.

107402539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026516.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 107402539 is about 10363.5196241431. The cubic root of 107402539 is about 475.3405336480.

The spelling of 107402539 in words is "one hundred seven million, four hundred two thousand, five hundred thirty-nine".