130439025 has 24 divisors (see below), whose sum is σ = 239622560. Its totient is φ = 69567120.

The previous prime is 130439021. The next prime is 130439039. The reversal of 130439025 is 520934031.

It is not a de Polignac number, because 130439025 - 2² = 130439021 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 130439025.

It is not an unprimeable number, because it can be changed into a prime (130439021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95947 + ... + 97296.

Almost surely, 2^130439025 is an apocalyptic number.

130439025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130439025 is a deficient number, since it is larger than the sum of its proper divisors (109183535).

130439025 is a wasteful number, since it uses less digits than its factorization.

130439025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193262 (or 193251 counting only the distinct ones).

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

The square root of 130439025 is about 11420.9905437313. The cubic root of 130439025 is about 507.1493205362.

The spelling of 130439025 in words is "one hundred thirty million, four hundred thirty-nine thousand, twenty-five".