1400171206271 has 4 divisors (see below), whose sum is σ = 1410391434192. Its totient is φ = 1389950978352.

The previous prime is 1400171206183. The next prime is 1400171206309. The reversal of 1400171206271 is 1726021710041.

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

It is a cyclic number.

It is not a de Polignac number, because 1400171206271 - 2²² = 1400167011967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400171206171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110113755 + ... + 5110114028.

It is an arithmetic number, because the mean of its divisors is an integer number (352597858548).

Almost surely, 2^{1400171206271} is an apocalyptic number.

1400171206271 is a deficient number, since it is larger than the sum of its proper divisors (10220227921).

1400171206271 is a wasteful number, since it uses less digits than its factorization.

1400171206271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10220227920.

The product of its (nonzero) digits is 4704, while the sum is 32.

The spelling of 1400171206271 in words is "one trillion, four hundred billion, one hundred seventy-one million, two hundred six thousand, two hundred seventy-one".