140401625 has 32 divisors (see below), whose sum is σ = 215674368. Its totient is φ = 88862400.

The previous prime is 140401571. The next prime is 140401661. The reversal of 140401625 is 526104041.

It is not a de Polignac number, because 140401625 - 2¹⁴ = 140385241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140401625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5204 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (6739824).

Almost surely, 2^140401625 is an apocalyptic number.

It is an amenable number.

140401625 is a deficient number, since it is larger than the sum of its proper divisors (75272743).

140401625 is a wasteful number, since it uses less digits than its factorization.

140401625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12378 (or 12368 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 140401625 is about 11849.1191655751. The cubic root of 140401625 is about 519.7454683799.

Adding to 140401625 its reverse (526104041), we get a palindrome (666505666).

It can be divided in two parts, 1404016 and 25, that added together give a palindrome (1404041).

The spelling of 140401625 in words is "one hundred forty million, four hundred one thousand, six hundred twenty-five".