140035651401 has 4 divisors (see below), whose sum is σ = 186714201872. Its totient is φ = 93357100932.

The previous prime is 140035651381. The next prime is 140035651411. The reversal of 140035651401 is 104156530041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-140035651401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140035651411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23339275231 + ... + 23339275236.

It is an arithmetic number, because the mean of its divisors is an integer number (46678550468).

Almost surely, 2^140035651401 is an apocalyptic number.

It is an amenable number.

140035651401 is a deficient number, since it is larger than the sum of its proper divisors (46678550471).

140035651401 is an equidigital number, since it uses as much as digits as its factorization.

140035651401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46678550470.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 140035651401 in words is "one hundred forty billion, thirty-five million, six hundred fifty-one thousand, four hundred one".