1438118364 has 12 divisors (see below), whose sum is σ = 3355609544. Its totient is φ = 479372784.

The previous prime is 1438118347. The next prime is 1438118369. The reversal of 1438118364 is 4638118341.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1438118369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59921587 + ... + 59921610.

Almost surely, 2^1438118364 is an apocalyptic number.

It is an amenable number.

1438118364 is an abundant number, since it is smaller than the sum of its proper divisors (1917491180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1438118364 is a wasteful number, since it uses less digits than its factorization.

1438118364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119843204 (or 119843202 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 1438118364 is about 37922.5310864135. The cubic root of 1438118364 is about 1128.7511626914.

The spelling of 1438118364 in words is "one billion, four hundred thirty-eight million, one hundred eighteen thousand, three hundred sixty-four".