140550525 has 24 divisors (see below), whose sum is σ = 258197760. Its totient is φ = 74959920.

The previous prime is 140550521. The next prime is 140550533. The reversal of 140550525 is 525055041.

It is not a de Polignac number, because 140550525 - 2² = 140550521 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140550521) 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, 103437 + ... + 104786.

It is an arithmetic number, because the mean of its divisors is an integer number (10758240).

Almost surely, 2^140550525 is an apocalyptic number.

140550525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140550525 is a deficient number, since it is larger than the sum of its proper divisors (117647235).

140550525 is a wasteful number, since it uses less digits than its factorization.

140550525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208242 (or 208231 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 140550525 is about 11855.4006680500. The cubic root of 140550525 is about 519.9291385195.

The spelling of 140550525 in words is "one hundred forty million, five hundred fifty thousand, five hundred twenty-five".