140559538 has 12 divisors (see below), whose sum is σ = 245262222. Its totient is φ = 60239760.

The previous prime is 140559527. The next prime is 140559539. The reversal of 140559538 is 835955041.

It can be written as a sum of positive squares in only one way, i.e., 134861769 + 5697769 = 11613^2 + 2387^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140559538.

It is not an unprimeable number, because it can be changed into a prime (140559539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 717043 + ... + 717238.

Almost surely, 2^140559538 is an apocalyptic number.

140559538 is a deficient number, since it is larger than the sum of its proper divisors (104702684).

140559538 is a wasteful number, since it uses less digits than its factorization.

140559538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434297 (or 1434290 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 140559538 is about 11855.7807840732. The cubic root of 140559538 is about 519.9402520110.

The spelling of 140559538 in words is "one hundred forty million, five hundred fifty-nine thousand, five hundred thirty-eight".