140474025 has 18 divisors (see below), whose sum is σ = 251604990. Its totient is φ = 74919360.

The previous prime is 140473981. The next prime is 140474027. The reversal of 140474025 is 520474041.

It can be written as a sum of positive squares in 3 ways, for example, as 11128896 + 129345129 = 3336^2 + 11373^2 .

It is not a de Polignac number, because 140474025 - 2¹¹ = 140471977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140474025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140474027) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 311940 + ... + 312389.

It is an arithmetic number, because the mean of its divisors is an integer number (13978055).

Almost surely, 2^140474025 is an apocalyptic number.

140474025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140474025 is a deficient number, since it is larger than the sum of its proper divisors (111130965).

140474025 is a wasteful number, since it uses less digits than its factorization.

140474025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624345 (or 624337 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 140474025 is about 11852.1738512393. The cubic root of 140474025 is about 519.8347909589.

The spelling of 140474025 in words is "one hundred forty million, four hundred seventy-four thousand, twenty-five".