1534140271 has 2 divisors, whose sum is σ = 1534140272. Its totient is φ = 1534140270.

The previous prime is 1534140241. The next prime is 1534140371. The reversal of 1534140271 is 1720414351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1534140271 - 2⁷ = 1534140143 is a prime.

It is a super-2 number, since 2×1534140271² = 4707172742207906882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1534140241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 767070135 + 767070136.

It is an arithmetic number, because the mean of its divisors is an integer number (767070136).

Almost surely, 2^1534140271 is an apocalyptic number.

1534140271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534140271 is an equidigital number, since it uses as much as digits as its factorization.

1534140271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1534140271 is about 39168.1027240279. The cubic root of 1534140271 is about 1153.3338096178. Note that the first 3 decimals are identical.

The spelling of 1534140271 in words is "one billion, five hundred thirty-four million, one hundred forty thousand, two hundred seventy-one".