425376139 has 4 divisors (see below), whose sum is σ = 425466424. Its totient is φ = 425285856.

The previous prime is 425376113. The next prime is 425376187. The reversal of 425376139 is 931673524.

It is a happy number.

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 425376139 - 2⁹ = 425375627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425376109) 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, 37662 + ... + 47635.

It is an arithmetic number, because the mean of its divisors is an integer number (106366606).

Almost surely, 2^425376139 is an apocalyptic number.

425376139 is a deficient number, since it is larger than the sum of its proper divisors (90285).

425376139 is an equidigital number, since it uses as much as digits as its factorization.

425376139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90284.

The product of its digits is 136080, while the sum is 40.

The square root of 425376139 is about 20624.6488212527. The cubic root of 425376139 is about 752.0690359088.

The spelling of 425376139 in words is "four hundred twenty-five million, three hundred seventy-six thousand, one hundred thirty-nine".