1535013642 has 16 divisors (see below), whose sum is σ = 3080956032. Its totient is φ = 509849760.

The previous prime is 1535013631. The next prime is 1535013653. The reversal of 1535013642 is 2463105351.

It is an interprime number because it is at equal distance from previous prime (1535013631) and next prime (1535013653).

It is a super-2 number, since 2×1535013642² = 4712533762252208328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453538 + ... + 456909.

It is an arithmetic number, because the mean of its divisors is an integer number (192559752).

Almost surely, 2^1535013642 is an apocalyptic number.

1535013642 is an abundant number, since it is smaller than the sum of its proper divisors (1545942390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1535013642 is a wasteful number, since it uses less digits than its factorization.

1535013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910733.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1535013642 is about 39179.2501459637. The cubic root of 1535013642 is about 1153.5526286388.

Adding to 1535013642 its reverse (2463105351), we get a palindrome (3998118993).

The spelling of 1535013642 in words is "one billion, five hundred thirty-five million, thirteen thousand, six hundred forty-two".