140004025 has 48 divisors (see below), whose sum is σ = 209808000. Its totient is φ = 92527680.

The previous prime is 140004019. The next prime is 140004047. The reversal of 140004025 is 520400041.

It is not a de Polignac number, because 140004025 - 2³ = 140004017 is a prime.

It is a super-2 number, since 2×140004025² = 39202254032401250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248394 + ... + 248956.

It is an arithmetic number, because the mean of its divisors is an integer number (4371000).

Almost surely, 2^140004025 is an apocalyptic number.

It is an amenable number.

140004025 is a deficient number, since it is larger than the sum of its proper divisors (69803975).

140004025 is an equidigital number, since it uses as much as digits as its factorization.

140004025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 140004025 is about 11832.3296522705. The cubic root of 140004025 is about 519.2543862776.

Adding to 140004025 its reverse (520400041), we get a palindrome (660404066).

The spelling of 140004025 in words is "one hundred forty million, four thousand, twenty-five".