140002890 has 32 divisors (see below), whose sum is σ = 336462336. Its totient is φ = 37283520.

The previous prime is 140002879. The next prime is 140002897. The reversal of 140002890 is 98200041.

It is a self number, because there is not a number n which added to its sum of digits gives 140002890.

It is not an unprimeable number, because it can be changed into a prime (140002897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 28325.

It is an arithmetic number, because the mean of its divisors is an integer number (10514448).

Almost surely, 2^140002890 is an apocalyptic number.

140002890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140002890 is an abundant number, since it is smaller than the sum of its proper divisors (196459446).

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

140002890 is a wasteful number, since it uses less digits than its factorization.

140002890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 140002890 is about 11832.2816903588. The cubic root of 140002890 is about 519.2529830910.

The spelling of 140002890 in words is "one hundred forty million, two thousand, eight hundred ninety".