3138280532 has 6 divisors (see below), whose sum is σ = 5491990938. Its totient is φ = 1569140264.

The previous prime is 3138280511. The next prime is 3138280543. The reversal of 3138280532 is 2350828313.

3138280532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3137568196 + 712336 = 56014^2 + 844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3138280492 and 3138280501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392285063 + ... + 392285070.

It is an arithmetic number, because the mean of its divisors is an integer number (915331823).

Almost surely, 2^3138280532 is an apocalyptic number.

It is an amenable number.

3138280532 is a deficient number, since it is larger than the sum of its proper divisors (2353710406).

3138280532 is a wasteful number, since it uses less digits than its factorization.

3138280532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784570137 (or 784570135 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 3138280532 is about 56020.3581923572. The cubic root of 3138280532 is about 1464.0770094212.

The spelling of 3138280532 in words is "three billion, one hundred thirty-eight million, two hundred eighty thousand, five hundred thirty-two".