140462921 has 8 divisors (see below), whose sum is σ = 147355200. Its totient is φ = 133707280.

The previous prime is 140462899. The next prime is 140462941. The reversal of 140462921 is 129264041.

140462921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140462921 - 2¹⁸ = 140200777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140462941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32051 + ... + 36168.

It is an arithmetic number, because the mean of its divisors is an integer number (18419400).

Almost surely, 2^140462921 is an apocalyptic number.

It is an amenable number.

140462921 is a deficient number, since it is larger than the sum of its proper divisors (6892279).

140462921 is an equidigital number, since it uses as much as digits as its factorization.

140462921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68319.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 140462921 is about 11851.7054047086. The cubic root of 140462921 is about 519.8210935330.

The spelling of 140462921 in words is "one hundred forty million, four hundred sixty-two thousand, nine hundred twenty-one".