140154190 has 16 divisors (see below), whose sum is σ = 275212080. Its totient is φ = 50965120.

The previous prime is 140154181. The next prime is 140154191. The reversal of 140154190 is 91451041.

140154190 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 2×140154190² = 39286393949112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140154191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636955 + ... + 637174.

It is an arithmetic number, because the mean of its divisors is an integer number (17200755).

Almost surely, 2^140154190 is an apocalyptic number.

140154190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140154190 is a deficient number, since it is larger than the sum of its proper divisors (135057890).

140154190 is a wasteful number, since it uses less digits than its factorization.

140154190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274147.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 140154190 is about 11838.6734898805. The cubic root of 140154190 is about 519.4399665943.

The spelling of 140154190 in words is "one hundred forty million, one hundred fifty-four thousand, one hundred ninety".