1491130782 has 40 divisors (see below), whose sum is σ = 3388323312. Its totient is φ = 490039200.

The previous prime is 1491130757. The next prime is 1491130801. The reversal of 1491130782 is 2870311941.

It is a happy number.

It is a super-3 number, since 3×1491130782³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53319 + ... + 76322.

Almost surely, 2^1491130782 is an apocalyptic number.

1491130782 is an abundant number, since it is smaller than the sum of its proper divisors (1897192530).

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

1491130782 is a wasteful number, since it uses less digits than its factorization.

1491130782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129726 (or 129717 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1491130782 is about 38615.1625919146. The cubic root of 1491130782 is about 1142.4536211017.

The spelling of 1491130782 in words is "one billion, four hundred ninety-one million, one hundred thirty thousand, seven hundred eighty-two".