140615025 has 24 divisors (see below), whose sum is σ = 234062400. Its totient is φ = 74485440.

The previous prime is 140615011. The next prime is 140615063. The reversal of 140615025 is 520516041.

It is a de Polignac number, because none of the positive numbers 2^k-140615025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140614986 and 140615004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4884 + ... + 17466.

It is an arithmetic number, because the mean of its divisors is an integer number (9752600).

Almost surely, 2^140615025 is an apocalyptic number.

140615025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140615025 is a deficient number, since it is larger than the sum of its proper divisors (93447375).

140615025 is a wasteful number, since it uses less digits than its factorization.

140615025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745 (or 12740 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 140615025 is about 11858.1206352440. The cubic root of 140615025 is about 520.0086598656.

The spelling of 140615025 in words is "one hundred forty million, six hundred fifteen thousand, twenty-five".