1536742642 has 16 divisors (see below), whose sum is σ = 2445421752. Its totient is φ = 721776640.

The previous prime is 1536742609. The next prime is 1536742651. The reversal of 1536742642 is 2462476351.

It can be written as a sum of positive squares in 4 ways, for example, as 1349901081 + 186841561 = 36741^2 + 13669^2 .

It is a super-2 number, since 2×1536742642² = 4723155895482280328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1536742595 and 1536742604.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25663 + ... + 61090.

Almost surely, 2^1536742642 is an apocalyptic number.

1536742642 is a deficient number, since it is larger than the sum of its proper divisors (908679110).

1536742642 is a wasteful number, since it uses less digits than its factorization.

1536742642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87293.

The product of its digits is 241920, while the sum is 40.

The square root of 1536742642 is about 39201.3091873218. The cubic root of 1536742642 is about 1153.9855768246.

The spelling of 1536742642 in words is "one billion, five hundred thirty-six million, seven hundred forty-two thousand, six hundred forty-two".