140293190 has 16 divisors (see below), whose sum is σ = 252663840. Its totient is φ = 56087040.

The previous prime is 140293183. The next prime is 140293199. The reversal of 140293190 is 91392041.

It is a happy number.

It is a super-2 number, since 2×140293190² = 39364358320752200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140293199) 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, 30566 + ... + 34854.

It is an arithmetic number, because the mean of its divisors is an integer number (15791490).

Almost surely, 2^140293190 is an apocalyptic number.

140293190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140293190 is a deficient number, since it is larger than the sum of its proper divisors (112370650).

140293190 is a wasteful number, since it uses less digits than its factorization.

140293190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 140293190 is about 11844.5426251924. The cubic root of 140293190 is about 519.6116306245.

The spelling of 140293190 in words is "one hundred forty million, two hundred ninety-three thousand, one hundred ninety".