1520341490 has 8 divisors (see below), whose sum is σ = 2736614700. Its totient is φ = 608136592.

The previous prime is 1520341489. The next prime is 1520341513. The reversal of 1520341490 is 941430251.

It can be written as a sum of positive squares in 2 ways, for example, as 1507070041 + 13271449 = 38821^2 + 3643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1520341490² = 4622876492430840200, which contains 22 as substring.

It is an unprimeable number.

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, 76017065 + ... + 76017084.

Almost surely, 2^1520341490 is an apocalyptic number.

1520341490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1520341490 is a deficient number, since it is larger than the sum of its proper divisors (1216273210).

1520341490 is a wasteful number, since it uses less digits than its factorization.

1520341490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152034156.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1520341490 is about 38991.5566501262. The cubic root of 1520341490 is about 1149.8655142040.

The spelling of 1520341490 in words is "one billion, five hundred twenty million, three hundred forty-one thousand, four hundred ninety".