140041590 has 64 divisors (see below), whose sum is σ = 381024000. Its totient is φ = 32655744.

The previous prime is 140041579. The next prime is 140041619. The reversal of 140041590 is 95140041.

It is a super-2 number, since 2×140041590² = 39223293859456200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140041590.

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, 2040 + ... + 16859.

It is an arithmetic number, because the mean of its divisors is an integer number (5953500).

Almost surely, 2^140041590 is an apocalyptic number.

140041590 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 140041590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190512000).

140041590 is an abundant number, since it is smaller than the sum of its proper divisors (240982410).

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

140041590 is a wasteful number, since it uses less digits than its factorization.

140041590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18941.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 140041590 is about 11833.9169339657. The cubic root of 140041590 is about 519.3008231490.

The spelling of 140041590 in words is "one hundred forty million, forty-one thousand, five hundred ninety".