1530841090 has 16 divisors (see below), whose sum is σ = 2756098872. Its totient is φ = 612206464.

The previous prime is 1530841087. The next prime is 1530841093. The reversal of 1530841090 is 901480351.

It is an interprime number because it is at equal distance from previous prime (1530841087) and next prime (1530841093).

It can be written as a sum of positive squares in 4 ways, for example, as 1015505689 + 515335401 = 31867^2 + 22701^2 .

It is not an unprimeable number, because it can be changed into a prime (1530841093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43782 + ... + 70558.

Almost surely, 2^1530841090 is an apocalyptic number.

1530841090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530841090 is a deficient number, since it is larger than the sum of its proper divisors (1225257782).

1530841090 is a wasteful number, since it uses less digits than its factorization.

1530841090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32501.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1530841090 is about 39125.9643970599. The cubic root of 1530841090 is about 1152.5064650503.

The spelling of 1530841090 in words is "one billion, five hundred thirty million, eight hundred forty-one thousand, ninety".