140050990 has 32 divisors (see below), whose sum is σ = 255991104. Its totient is φ = 55161600.

The previous prime is 140050987. The next prime is 140050991. The reversal of 140050990 is 99050041.

It is a super-2 number, since 2×140050990² = 39228559599960200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140050991) 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, 206532 + ... + 207208.

It is an arithmetic number, because the mean of its divisors is an integer number (7999722).

Almost surely, 2^140050990 is an apocalyptic number.

140050990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140050990 is a deficient number, since it is larger than the sum of its proper divisors (115940114).

140050990 is a wasteful number, since it uses less digits than its factorization.

140050990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 140050990 is about 11834.3140908124. The cubic root of 140050990 is about 519.3124418844.

The spelling of 140050990 in words is "one hundred forty million, fifty thousand, nine hundred ninety".