140403022409 has 8 divisors (see below), whose sum is σ = 151749118920. Its totient is φ = 129134906496.

The previous prime is 140403022373. The next prime is 140403022439. The reversal of 140403022409 is 904220304041.

It can be written as a sum of positive squares in 4 ways, for example, as 14947507600 + 125455514809 = 122260^2 + 354197^2 .

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 140403022409 - 2⁸ = 140403022153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140403022439) 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, 19491404 + ... + 19498605.

It is an arithmetic number, because the mean of its divisors is an integer number (18968639865).

Almost surely, 2^140403022409 is an apocalyptic number.

It is an amenable number.

140403022409 is a deficient number, since it is larger than the sum of its proper divisors (11346096511).

140403022409 is a wasteful number, since it uses less digits than its factorization.

140403022409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38990299.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 140403022409 in words is "one hundred forty billion, four hundred three million, twenty-two thousand, four hundred nine".