1433338138 has 4 divisors (see below), whose sum is σ = 2150007210. Its totient is φ = 716669068.

The previous prime is 1433338133. The next prime is 1433338139. The reversal of 1433338138 is 8318333341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1050861889 + 382476249 = 32417^2 + 19557^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1433338097 and 1433338106.

It is not an unprimeable number, because it can be changed into a prime (1433338133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358334533 + ... + 358334536.

Almost surely, 2^1433338138 is an apocalyptic number.

1433338138 is a deficient number, since it is larger than the sum of its proper divisors (716669072).

1433338138 is an equidigital number, since it uses as much as digits as its factorization.

1433338138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716669071.

The product of its digits is 62208, while the sum is 37.

The square root of 1433338138 is about 37859.4524260455. The cubic root of 1433338138 is about 1127.4991389416.

The spelling of 1433338138 in words is "one billion, four hundred thirty-three million, three hundred thirty-eight thousand, one hundred thirty-eight".