140156190 has 32 divisors (see below), whose sum is σ = 373750560. Its totient is φ = 37374912.

The previous prime is 140156189. The next prime is 140156231. The reversal of 140156190 is 91651041.

140156190 is a `hidden beast` number, since 1 + 40 + 1 + 5 + 619 + 0 = 666.

140156190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140156190² = 39287515190632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259279 + ... + 259818.

It is an arithmetic number, because the mean of its divisors is an integer number (11679705).

Almost surely, 2^140156190 is an apocalyptic number.

140156190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140156190 is an abundant number, since it is smaller than the sum of its proper divisors (233594370).

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

140156190 is a wasteful number, since it uses less digits than its factorization.

140156190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519113 (or 519107 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 140156190 is about 11838.7579585022. The cubic root of 140156190 is about 519.4424373849.

The spelling of 140156190 in words is "one hundred forty million, one hundred fifty-six thousand, one hundred ninety".