140214690 has 96 divisors (see below), whose sum is σ = 454536576. Its totient is φ = 29134080.

The previous prime is 140214689. The next prime is 140214707. The reversal of 140214690 is 96412041.

140214690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140214690² = 39320318583592200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3187 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (4734756).

Almost surely, 2^140214690 is an apocalyptic number.

140214690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140214690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227268288).

140214690 is an abundant number, since it is smaller than the sum of its proper divisors (314321886).

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

140214690 is a wasteful number, since it uses less digits than its factorization.

140214690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20264 (or 20261 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 140214690 is about 11841.2283991147. The cubic root of 140214690 is about 519.5146976154.

The spelling of 140214690 in words is "one hundred forty million, two hundred fourteen thousand, six hundred ninety".