140817201051 has 4 divisors (see below), whose sum is σ = 187756268072. Its totient is φ = 93878134032.

The previous prime is 140817201001. The next prime is 140817201101. The reversal of 140817201051 is 150102718041.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (140817201001) and next prime (140817201101).

It is not a de Polignac number, because 140817201051 - 2⁹ = 140817200539 is a prime.

It is a super-2 number, since 2×140817201051² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140817201001) 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, 23469533506 + ... + 23469533511.

It is an arithmetic number, because the mean of its divisors is an integer number (46939067018).

Almost surely, 2^140817201051 is an apocalyptic number.

140817201051 is a deficient number, since it is larger than the sum of its proper divisors (46939067021).

140817201051 is an equidigital number, since it uses as much as digits as its factorization.

140817201051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46939067020.

The product of its (nonzero) digits is 2240, while the sum is 30.

Adding to 140817201051 its reverse (150102718041), we get a palindrome (290919919092).

The spelling of 140817201051 in words is "one hundred forty billion, eight hundred seventeen million, two hundred one thousand, fifty-one".