140464121 has 8 divisors (see below), whose sum is σ = 161157120. Its totient is φ = 119927808.

The previous prime is 140464117. The next prime is 140464127. The reversal of 140464121 is 121464041.

It is a happy number.

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

It is not a de Polignac number, because 140464121 - 2² = 140464117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140464127) 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, 37241 + ... + 40838.

It is an arithmetic number, because the mean of its divisors is an integer number (20144640).

Almost surely, 2^140464121 is an apocalyptic number.

It is an amenable number.

140464121 is a deficient number, since it is larger than the sum of its proper divisors (20692999).

140464121 is an equidigital number, since it uses as much as digits as its factorization.

140464121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78343.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 140464121 is about 11851.7560302261. The cubic root of 140464121 is about 519.8225738372.

The spelling of 140464121 in words is "one hundred forty million, four hundred sixty-four thousand, one hundred twenty-one".