1487790133 has 2 divisors, whose sum is σ = 1487790134. Its totient is φ = 1487790132.

The previous prime is 1487790119. The next prime is 1487790163. The reversal of 1487790133 is 3310977841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1333856484 + 153933649 = 36522^2 + 12407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487790133 - 2⁹ = 1487789621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1487790133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1487790113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743895066 + 743895067.

It is an arithmetic number, because the mean of its divisors is an integer number (743895067).

Almost surely, 2^1487790133 is an apocalyptic number.

It is an amenable number.

1487790133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487790133 is an equidigital number, since it uses as much as digits as its factorization.

1487790133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 1487790133 is about 38571.8826737819. The cubic root of 1487790133 is about 1141.5998193501.

The spelling of 1487790133 in words is "one billion, four hundred eighty-seven million, seven hundred ninety thousand, one hundred thirty-three".