1520132149 has 2 divisors, whose sum is σ = 1520132150. Its totient is φ = 1520132148.

The previous prime is 1520132147. The next prime is 1520132171. The reversal of 1520132149 is 9412310251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1439671249 + 80460900 = 37943^2 + 8970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1520132149 - 2¹ = 1520132147 is a prime.

Together with 1520132147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520132147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760066074 + 760066075.

It is an arithmetic number, because the mean of its divisors is an integer number (760066075).

Almost surely, 2^1520132149 is an apocalyptic number.

It is an amenable number.

1520132149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520132149 is an equidigital number, since it uses as much as digits as its factorization.

1520132149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1520132149 is about 38988.8721175671. The cubic root of 1520132149 is about 1149.8127354813.

The spelling of 1520132149 in words is "one billion, five hundred twenty million, one hundred thirty-two thousand, one hundred forty-nine".