1534140371 has 2 divisors, whose sum is σ = 1534140372. Its totient is φ = 1534140370.

The previous prime is 1534140271. The next prime is 1534140379. The reversal of 1534140371 is 1730414351.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1534140371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1534140379) 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 as a sum of consecutive naturals, namely, 767070185 + 767070186.

It is an arithmetic number, because the mean of its divisors is an integer number (767070186).

Almost surely, 2^1534140371 is an apocalyptic number.

1534140371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1534140371 is an equidigital number, since it uses as much as digits as its factorization.

1534140371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1534140371 is about 39168.1040005768. The cubic root of 1534140371 is about 1153.3338346770. Note that the first 3 decimals are identical.

The spelling of 1534140371 in words is "one billion, five hundred thirty-four million, one hundred forty thousand, three hundred seventy-one".