135042452451 has 14 divisors (see below), whose sum is σ = 202471058060. Its totient is φ = 90028301148.

The previous prime is 135042452411. The next prime is 135042452491. The reversal of 135042452451 is 154254240531.

135042452451 is a `hidden beast` number, since 13 + 50 + 4 + 24 + 524 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (135042452411) and next prime (135042452491).

It is not a de Polignac number, because 135042452451 - 2¹⁵ = 135042419683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135042452411) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 92620981 + ... + 92622438.

Almost surely, 2^135042452451 is an apocalyptic number.

135042452451 is a deficient number, since it is larger than the sum of its proper divisors (67428605609).

135042452451 is an frugal number, since it uses more digits than its factorization.

135042452451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185243437 (or 185243422 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 135042452451 its reverse (154254240531), we get a palindrome (289296692982).

The spelling of 135042452451 in words is "one hundred thirty-five billion, forty-two million, four hundred fifty-two thousand, four hundred fifty-one".