1533686042 has 32 divisors (see below), whose sum is σ = 2930359680. Its totient is φ = 586068480.

The previous prime is 1533686029. The next prime is 1533686047. The reversal of 1533686042 is 2406863351.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 1533685987 and 1533686005.

It is not an unprimeable number, because it can be changed into a prime (1533686047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165059 + ... + 174102.

It is an arithmetic number, because the mean of its divisors is an integer number (91573740).

Almost surely, 2^1533686042 is an apocalyptic number.

1533686042 is a deficient number, since it is larger than the sum of its proper divisors (1396673638).

1533686042 is a wasteful number, since it uses less digits than its factorization.

1533686042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339206.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 1533686042 is about 39162.3038392789. The cubic root of 1533686042 is about 1153.2199718363.

The spelling of 1533686042 in words is "one billion, five hundred thirty-three million, six hundred eighty-six thousand, forty-two".