140863494 has 8 divisors (see below), whose sum is σ = 281727000. Its totient is φ = 46954496.

The previous prime is 140863487. The next prime is 140863517. The reversal of 140863494 is 494368041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

140863494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11738619 + ... + 11738630.

It is an arithmetic number, because the mean of its divisors is an integer number (35215875).

Almost surely, 2^140863494 is an apocalyptic number.

140863494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140863494 is a wasteful number, since it uses less digits than its factorization.

140863494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23477254.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 140863494 is about 11868.5927556724. The cubic root of 140863494 is about 520.3147675126.

The spelling of 140863494 in words is "one hundred forty million, eight hundred sixty-three thousand, four hundred ninety-four".