140211690 has 16 divisors (see below), whose sum is σ = 336508128. Its totient is φ = 37389776.

The previous prime is 140211689. The next prime is 140211707. The reversal of 140211690 is 96112041.

It is a super-2 number, since 2×140211690² = 39318636025312200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140211690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2336832 + ... + 2336891.

It is an arithmetic number, because the mean of its divisors is an integer number (21031758).

Almost surely, 2^140211690 is an apocalyptic number.

140211690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140211690 is an abundant number, since it is smaller than the sum of its proper divisors (196296438).

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

140211690 is a wasteful number, since it uses less digits than its factorization.

140211690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673733.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 140211690 is about 11841.1017223905. The cubic root of 140211690 is about 519.5109924515.

The spelling of 140211690 in words is "one hundred forty million, two hundred eleven thousand, six hundred ninety".