7138495271 has 16 divisors (see below), whose sum is σ = 7466674176. Its totient is φ = 6816900000.

The previous prime is 7138495267. The next prime is 7138495289. The reversal of 7138495271 is 1725948317.

It is not a de Polignac number, because 7138495271 - 2² = 7138495267 is a prime.

It is a super-2 number, since 2×7138495271² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138495201) 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 15 ways as a sum of consecutive naturals, for example, 970076 + ... + 977406.

It is an arithmetic number, because the mean of its divisors is an integer number (466667136).

Almost surely, 2^7138495271 is an apocalyptic number.

7138495271 is a deficient number, since it is larger than the sum of its proper divisors (328178905).

7138495271 is a wasteful number, since it uses less digits than its factorization.

7138495271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7774.

The product of its digits is 423360, while the sum is 47.

The square root of 7138495271 is about 84489.6163501764. The cubic root of 7138495271 is about 1925.4646898400.

The spelling of 7138495271 in words is "seven billion, one hundred thirty-eight million, four hundred ninety-five thousand, two hundred seventy-one".