140866494 has 32 divisors (see below), whose sum is σ = 300641280. Its totient is φ = 43872192.

The previous prime is 140866493. The next prime is 140866519. The reversal of 140866494 is 494668041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140866493) 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, 142 + ... + 16785.

It is an arithmetic number, because the mean of its divisors is an integer number (9395040).

Almost surely, 2^140866494 is an apocalyptic number.

140866494 is an abundant number, since it is smaller than the sum of its proper divisors (159774786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140866494 is a wasteful number, since it uses less digits than its factorization.

140866494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17024.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 140866494 is about 11868.7191389804. The cubic root of 140866494 is about 520.3184612381.

The spelling of 140866494 in words is "one hundred forty million, eight hundred sixty-six thousand, four hundred ninety-four".