1513885141 has 2 divisors, whose sum is σ = 1513885142. Its totient is φ = 1513885140.

The previous prime is 1513885127. The next prime is 1513885151. The reversal of 1513885141 is 1415883151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1463062500 + 50822641 = 38250^2 + 7129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513885141 - 2⁷ = 1513885013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1513885141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513885151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756942570 + 756942571.

It is an arithmetic number, because the mean of its divisors is an integer number (756942571).

Almost surely, 2^1513885141 is an apocalyptic number.

It is an amenable number.

1513885141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513885141 is an equidigital number, since it uses as much as digits as its factorization.

1513885141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 37.

The square root of 1513885141 is about 38908.6769371563. The cubic root of 1513885141 is about 1148.2355148675.

The spelling of 1513885141 in words is "one billion, five hundred thirteen million, eight hundred eighty-five thousand, one hundred forty-one".