135151563623 has 2 divisors, whose sum is σ = 135151563624. Its totient is φ = 135151563622.

The previous prime is 135151563571. The next prime is 135151563649. The reversal of 135151563623 is 326365151531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135151563623 - 2¹² = 135151559527 is a prime.

It is a super-2 number, since 2×135151563623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135151563653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67575781811 + 67575781812.

It is an arithmetic number, because the mean of its divisors is an integer number (67575781812).

Almost surely, 2^135151563623 is an apocalyptic number.

135151563623 is a deficient number, since it is larger than the sum of its proper divisors (1).

135151563623 is an equidigital number, since it uses as much as digits as its factorization.

135151563623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 243000, while the sum is 41.

The spelling of 135151563623 in words is "one hundred thirty-five billion, one hundred fifty-one million, five hundred sixty-three thousand, six hundred twenty-three".