140212190 has 16 divisors (see below), whose sum is σ = 252745920. Its totient is φ = 56004000.

The previous prime is 140212183. The next prime is 140212199. The reversal of 140212190 is 91212041.

It is a super-2 number, since 2×140212190² = 39318916449192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140212199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 16940.

It is an arithmetic number, because the mean of its divisors is an integer number (15796620).

Almost surely, 2^140212190 is an apocalyptic number.

140212190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140212190 is a deficient number, since it is larger than the sum of its proper divisors (112533730).

140212190 is a wasteful number, since it uses less digits than its factorization.

140212190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20227.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 140212190 is about 11841.1228352720. The cubic root of 140212190 is about 519.5116099825.

The spelling of 140212190 in words is "one hundred forty million, two hundred twelve thousand, one hundred ninety".