140981525794 has 16 divisors (see below), whose sum is σ = 217883431800. Its totient is φ = 68385375360.

The previous prime is 140981525723. The next prime is 140981525801. The reversal of 140981525794 is 497525189041.

It can be written as a sum of positive squares in 4 ways, for example, as 72219575169 + 68761950625 = 268737^2 + 262225^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7906069 + ... + 7923880.

Almost surely, 2^140981525794 is an apocalyptic number.

140981525794 is a deficient number, since it is larger than the sum of its proper divisors (76901906006).

140981525794 is a wasteful number, since it uses less digits than its factorization.

140981525794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15830085.

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 140981525794 in words is "one hundred forty billion, nine hundred eighty-one million, five hundred twenty-five thousand, seven hundred ninety-four".