13530242087 has 2 divisors, whose sum is σ = 13530242088. Its totient is φ = 13530242086.

The previous prime is 13530241997. The next prime is 13530242107. The reversal of 13530242087 is 78024203531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13530242087 - 2²⁸ = 13261806631 is a prime.

It is a super-2 number, since 2×13530242087² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530242287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765121043 + 6765121044.

It is an arithmetic number, because the mean of its divisors is an integer number (6765121044).

Almost surely, 2^13530242087 is an apocalyptic number.

13530242087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530242087 is an equidigital number, since it uses as much as digits as its factorization.

13530242087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 13530242087 in words is "thirteen billion, five hundred thirty million, two hundred forty-two thousand, eighty-seven".