140189380 has 12 divisors (see below), whose sum is σ = 294397740. Its totient is φ = 56075744.

The previous prime is 140189377. The next prime is 140189383. The reversal of 140189380 is 83981041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140189377) and next prime (140189383).

It can be written as a sum of positive squares in 2 ways, for example, as 30735936 + 109453444 = 5544^2 + 10462^2 .

It is not an unprimeable number, because it can be changed into a prime (140189383) 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 3 ways as a sum of consecutive naturals, for example, 3504715 + ... + 3504754.

It is an arithmetic number, because the mean of its divisors is an integer number (24533145).

Almost surely, 2^140189380 is an apocalyptic number.

140189380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140189380 is an abundant number, since it is smaller than the sum of its proper divisors (154208360).

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

140189380 is a wasteful number, since it uses less digits than its factorization.

140189380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009478 (or 7009476 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 140189380 is about 11840.1596273023. The cubic root of 140189380 is about 519.4834367248.

The spelling of 140189380 in words is "one hundred forty million, one hundred eighty-nine thousand, three hundred eighty".