140934090 has 32 divisors (see below), whose sum is σ = 368991936. Its totient is φ = 34165760.

The previous prime is 140934071. The next prime is 140934103. The reversal of 140934090 is 90439041.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213207 + ... + 213866.

It is an arithmetic number, because the mean of its divisors is an integer number (11530998).

Almost surely, 2^140934090 is an apocalyptic number.

140934090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140934090 is an abundant number, since it is smaller than the sum of its proper divisors (228057846).

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

140934090 is a wasteful number, since it uses less digits than its factorization.

140934090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427094.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 140934090 is about 11871.5664509786. The cubic root of 140934090 is about 520.4016743605.

The spelling of 140934090 in words is "one hundred forty million, nine hundred thirty-four thousand, ninety".