1490871507 has 4 divisors (see below), whose sum is σ = 1987828680. Its totient is φ = 993914336.

The previous prime is 1490871467. The next prime is 1490871509. The reversal of 1490871507 is 7051780941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490871507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1490871509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248478582 + ... + 248478587.

It is an arithmetic number, because the mean of its divisors is an integer number (496957170).

Almost surely, 2^1490871507 is an apocalyptic number.

1490871507 is a deficient number, since it is larger than the sum of its proper divisors (496957173).

1490871507 is an equidigital number, since it uses as much as digits as its factorization.

1490871507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496957172.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1490871507 is about 38611.8052802508. The cubic root of 1490871507 is about 1142.3874013719.

The spelling of 1490871507 in words is "one billion, four hundred ninety million, eight hundred seventy-one thousand, five hundred seven".