1238866132 has 24 divisors (see below), whose sum is σ = 2478534464. Its totient is φ = 530770752.

The previous prime is 1238866117. The next prime is 1238866133. The reversal of 1238866132 is 2316688321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238866133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121288 + ... + 131104.

Almost surely, 2^1238866132 is an apocalyptic number.

It is an amenable number.

1238866132 is an abundant number, since it is smaller than the sum of its proper divisors (1239668332).

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

1238866132 is a wasteful number, since it uses less digits than its factorization.

1238866132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14335 (or 14333 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 1238866132 is about 35197.5301974443. The cubic root of 1238866132 is about 1074.0095097221.

The spelling of 1238866132 in words is "one billion, two hundred thirty-eight million, eight hundred sixty-six thousand, one hundred thirty-two".