1540714693 has 12 divisors (see below), whose sum is σ = 1886590560. Its totient is φ = 1251105912.

The previous prime is 1540714657. The next prime is 1540714699. The reversal of 1540714693 is 3964170451.

It is not a de Polignac number, because 1540714693 - 2⁹ = 1540714181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540714699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 826521 + ... + 828382.

It is an arithmetic number, because the mean of its divisors is an integer number (157215880).

Almost surely, 2^1540714693 is an apocalyptic number.

It is an amenable number.

1540714693 is a deficient number, since it is larger than the sum of its proper divisors (345875867).

1540714693 is a wasteful number, since it uses less digits than its factorization.

1540714693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654936 (or 1654929 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1540714693 is about 39251.9387164507. The cubic root of 1540714693 is about 1154.9789650286.

The spelling of 1540714693 in words is "one billion, five hundred forty million, seven hundred fourteen thousand, six hundred ninety-three".