135106120554 has 16 divisors (see below), whose sum is σ = 274245260448. Its totient is φ = 44363203632.

The previous prime is 135106120507. The next prime is 135106120559. The reversal of 135106120554 is 455021601531.

It is a super-2 number, since 2×135106120554² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135106120559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168042037 + ... + 168042840.

It is an arithmetic number, because the mean of its divisors is an integer number (17140328778).

Almost surely, 2^135106120554 is an apocalyptic number.

135106120554 is an abundant number, since it is smaller than the sum of its proper divisors (139139139894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135106120554 is a wasteful number, since it uses less digits than its factorization.

135106120554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336084949.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 135106120554 in words is "one hundred thirty-five billion, one hundred six million, one hundred twenty thousand, five hundred fifty-four".