1533382138 has 8 divisors (see below), whose sum is σ = 2303187840. Its totient is φ = 765652860.

The previous prime is 1533382129. The next prime is 1533382159. The reversal of 1533382138 is 8312833351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1533382138² = 4702521562274902088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1533382097 and 1533382106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517258 + ... + 520213.

It is an arithmetic number, because the mean of its divisors is an integer number (287898480).

Almost surely, 2^1533382138 is an apocalyptic number.

1533382138 is a deficient number, since it is larger than the sum of its proper divisors (769805702).

1533382138 is a wasteful number, since it uses less digits than its factorization.

1533382138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038212.

The product of its digits is 51840, while the sum is 37.

The square root of 1533382138 is about 39158.4235893122. The cubic root of 1533382138 is about 1153.1437955951.

The spelling of 1533382138 in words is "one billion, five hundred thirty-three million, three hundred eighty-two thousand, one hundred thirty-eight".