250430139 has 6 divisors (see below), whose sum is σ = 361732436. Its totient is φ = 166953420.

The previous prime is 250430107. The next prime is 250430153. The reversal of 250430139 is 931034052.

It is not a de Polignac number, because 250430139 - 2⁵ = 250430107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250430189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13912777 + ... + 13912794.

Almost surely, 2^250430139 is an apocalyptic number.

250430139 is a deficient number, since it is larger than the sum of its proper divisors (111302297).

250430139 is a wasteful number, since it uses less digits than its factorization.

250430139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27825577 (or 27825574 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 250430139 is about 15824.9846445423. The cubic root of 250430139 is about 630.3216120567.

The spelling of 250430139 in words is "two hundred fifty million, four hundred thirty thousand, one hundred thirty-nine".