1338136372 has 6 divisors (see below), whose sum is σ = 2341738658. Its totient is φ = 669068184.

The previous prime is 1338136367. The next prime is 1338136379. The reversal of 1338136372 is 2736318331.

It can be written as a sum of positive squares in only one way, i.e., 1228222116 + 109914256 = 35046^2 + 10484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338136379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167267043 + ... + 167267050.

Almost surely, 2^1338136372 is an apocalyptic number.

It is an amenable number.

1338136372 is a deficient number, since it is larger than the sum of its proper divisors (1003602286).

1338136372 is a wasteful number, since it uses less digits than its factorization.

1338136372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334534097 (or 334534095 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 1338136372 is about 36580.5463600532. The cubic root of 1338136372 is about 1101.9624395550.

It can be divided in two parts, 133813 and 6372, that added together give a triangular number (140185 = T₅₂₉).

The spelling of 1338136372 in words is "one billion, three hundred thirty-eight million, one hundred thirty-six thousand, three hundred seventy-two".