140924091 has 64 divisors (see below), whose sum is σ = 243127296. Its totient is φ = 70502400.

The previous prime is 140924089. The next prime is 140924099. The reversal of 140924091 is 190429041.

140924091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140924091 - 2¹ = 140924089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140924099) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1028575 + ... + 1028711.

It is an arithmetic number, because the mean of its divisors is an integer number (3798864).

Almost surely, 2^140924091 is an apocalyptic number.

140924091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140924091 is a deficient number, since it is larger than the sum of its proper divisors (102203205).

140924091 is a wasteful number, since it uses less digits than its factorization.

140924091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 140924091 is about 11871.1453112158. The cubic root of 140924091 is about 520.3893669067.

The spelling of 140924091 in words is "one hundred forty million, nine hundred twenty-four thousand, ninety-one".