1390132 has 6 divisors (see below), whose sum is σ = 2432738. Its totient is φ = 695064.

The previous prime is 1390121. The next prime is 1390157. The reversal of 1390132 is 2310931.

It can be written as a sum of positive squares in only one way, i.e., 933156 + 456976 = 966^2 + 676^2 .

It is an Ulam number.

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, 173763 + ... + 173770.

2^1390132 is an apocalyptic number.

It is an amenable number.

1390132 is a deficient number, since it is larger than the sum of its proper divisors (1042606).

1390132 is a wasteful number, since it uses less digits than its factorization.

1390132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347537 (or 347535 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1390132 is about 1179.0385913955. The cubic root of 1390132 is about 111.6054356024.

The spelling of 1390132 in words is "one million, three hundred ninety thousand, one hundred thirty-two".