1149338438 has 16 divisors (see below), whose sum is σ = 1734069600. Its totient is φ = 571324416.

The previous prime is 1149338413. The next prime is 1149338447. The reversal of 1149338438 is 8348339411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306020 + ... + 309752.

It is an arithmetic number, because the mean of its divisors is an integer number (108379350).

Almost surely, 2^1149338438 is an apocalyptic number.

1149338438 is a deficient number, since it is larger than the sum of its proper divisors (584731162).

1149338438 is a wasteful number, since it uses less digits than its factorization.

1149338438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591.

The product of its digits is 248832, while the sum is 44.

The square root of 1149338438 is about 33901.8943128551. The cubic root of 1149338438 is about 1047.4886127230.

The spelling of 1149338438 in words is "one billion, one hundred forty-nine million, three hundred thirty-eight thousand, four hundred thirty-eight".