133899573654 has 96 divisors (see below), whose sum is σ = 362796744960. Its totient is φ = 34673918400.

The previous prime is 133899573649. The next prime is 133899573667. The reversal of 133899573654 is 456375998331.

133899573654 is a `hidden beast` number, since 1 + 3 + 3 + 8 + 9 + 9 + 573 + 6 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 133899573591 and 133899573600.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 312832 + ... + 604700.

It is an arithmetic number, because the mean of its divisors is an integer number (3779132760).

Almost surely, 2^133899573654 is an apocalyptic number.

133899573654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133899573654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181398372480).

133899573654 is an abundant number, since it is smaller than the sum of its proper divisors (228897171306).

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

133899573654 is a wasteful number, since it uses less digits than its factorization.

133899573654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292226 (or 292223 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 63.

The spelling of 133899573654 in words is "one hundred thirty-three billion, eight hundred ninety-nine million, five hundred seventy-three thousand, six hundred fifty-four".