140982491 has 16 divisors (see below), whose sum is σ = 156866976. Its totient is φ = 125888256.

The previous prime is 140982487. The next prime is 140982493. The reversal of 140982491 is 194289041.

It is not a de Polignac number, because 140982491 - 2² = 140982487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140982493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48896 + ... + 51698.

It is an arithmetic number, because the mean of its divisors is an integer number (9804186).

Almost surely, 2^140982491 is an apocalyptic number.

140982491 is a deficient number, since it is larger than the sum of its proper divisors (15884485).

140982491 is a wasteful number, since it uses less digits than its factorization.

140982491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 140982491 is about 11873.6048022494. The cubic root of 140982491 is about 520.4612413977.

The spelling of 140982491 in words is "one hundred forty million, nine hundred eighty-two thousand, four hundred ninety-one".