140942190 has 64 divisors (see below), whose sum is σ = 363709440. Its totient is φ = 34842240.

The previous prime is 140942161. The next prime is 140942201. The reversal of 140942190 is 91249041.

It is a super-2 number, since 2×140942190² = 39729401843992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24160 + ... + 29420.

It is an arithmetic number, because the mean of its divisors is an integer number (5682960).

Almost surely, 2^140942190 is an apocalyptic number.

140942190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140942190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181854720).

140942190 is an abundant number, since it is smaller than the sum of its proper divisors (222767250).

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

140942190 is a wasteful number, since it uses less digits than its factorization.

140942190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5337.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 140942190 is about 11871.9075973493. The cubic root of 140942190 is about 520.4116439683.

The spelling of 140942190 in words is "one hundred forty million, nine hundred forty-two thousand, one hundred ninety".