140314986 has 48 divisors (see below), whose sum is σ = 351658944. Its totient is φ = 39604032.

The previous prime is 140314969. The next prime is 140314987. The reversal of 140314986 is 689413041.

It is a self number, because there is not a number n which added to its sum of digits gives 140314986.

It is not an unprimeable number, because it can be changed into a prime (140314987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3750 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (7326228).

Almost surely, 2^140314986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140314986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175829472).

140314986 is an abundant number, since it is smaller than the sum of its proper divisors (211343958).

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

140314986 is a wasteful number, since it uses less digits than its factorization.

140314986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13515 (or 13512 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 140314986 is about 11845.4626756408. The cubic root of 140314986 is about 519.6385382471.

The spelling of 140314986 in words is "one hundred forty million, three hundred fourteen thousand, nine hundred eighty-six".