135099954 has 64 divisors (see below), whose sum is σ = 331776000. Its totient is φ = 40407120.

The previous prime is 135099931. The next prime is 135099977. The reversal of 135099954 is 459990531.

It is a happy number.

135099954 is a `hidden beast` number, since 1 + 3 + 509 + 99 + 54 = 666.

It is an interprime number because it is at equal distance from previous prime (135099931) and next prime (135099977).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45487 + ... + 48365.

It is an arithmetic number, because the mean of its divisors is an integer number (5184000).

Almost surely, 2^135099954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 135099954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165888000).

135099954 is an abundant number, since it is smaller than the sum of its proper divisors (196676046).

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

135099954 is a wasteful number, since it uses less digits than its factorization.

135099954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2974 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 45.

The square root of 135099954 is about 11623.2505780440. The cubic root of 135099954 is about 513.1193593884.

The spelling of 135099954 in words is "one hundred thirty-five million, ninety-nine thousand, nine hundred fifty-four".