140254516 has 6 divisors (see below), whose sum is σ = 245445410. Its totient is φ = 70127256.

The previous prime is 140254511. The next prime is 140254549. The reversal of 140254516 is 615452041.

It can be written as a sum of positive squares in only one way, i.e., 77369616 + 62884900 = 8796^2 + 7930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140254511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17531811 + ... + 17531818.

Almost surely, 2^140254516 is an apocalyptic number.

It is an amenable number.

140254516 is a deficient number, since it is larger than the sum of its proper divisors (105190894).

140254516 is a wasteful number, since it uses less digits than its factorization.

140254516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35063633 (or 35063631 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 140254516 is about 11842.9099464616. The cubic root of 140254516 is about 519.5638798937.

The spelling of 140254516 in words is "one hundred forty million, two hundred fifty-four thousand, five hundred sixteen".