1535691542 has 16 divisors (see below), whose sum is σ = 2871942912. Its totient is φ = 598321320.

The previous prime is 1535691541. The next prime is 1535691559. The reversal of 1535691542 is 2451965351.

It is a self number, because there is not a number n which added to its sum of digits gives 1535691542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1535691541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985858 + ... + 4986165.

It is an arithmetic number, because the mean of its divisors is an integer number (179496432).

Almost surely, 2^1535691542 is an apocalyptic number.

1535691542 is a deficient number, since it is larger than the sum of its proper divisors (1336251370).

1535691542 is a wasteful number, since it uses less digits than its factorization.

1535691542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972043.

The product of its digits is 162000, while the sum is 41.

The square root of 1535691542 is about 39187.9004540942. The cubic root of 1535691542 is about 1153.7224161069.

The spelling of 1535691542 in words is "one billion, five hundred thirty-five million, six hundred ninety-one thousand, five hundred forty-two".