135542225455 has 32 divisors (see below), whose sum is σ = 200731152384. Its totient is φ = 85559884416.

The previous prime is 135542225449. The next prime is 135542225503. The reversal of 135542225455 is 554522245531.

It is a cyclic number.

It is not a de Polignac number, because 135542225455 - 2²³ = 135533836847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238867 + ... + 572836.

It is an arithmetic number, because the mean of its divisors is an integer number (6272848512).

Almost surely, 2^135542225455 is an apocalyptic number.

135542225455 is a deficient number, since it is larger than the sum of its proper divisors (65188926929).

135542225455 is a wasteful number, since it uses less digits than its factorization.

135542225455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812095.

The product of its digits is 1200000, while the sum is 43.

The spelling of 135542225455 in words is "one hundred thirty-five billion, five hundred forty-two million, two hundred twenty-five thousand, four hundred fifty-five".