133151043255342 has 128 divisors (see below), whose sum is σ = 328311794764800. Its totient is φ = 35147412172800.

The previous prime is 133151043255331. The next prime is 133151043255359. The reversal of 133151043255342 is 243552340151331.

It is a super-2 number, since 2×133151043255342² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 133151043255294 and 133151043255303.

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 63 ways as a sum of consecutive naturals, for example, 79031034 + ... + 80698242.

It is an arithmetic number, because the mean of its divisors is an integer number (2564935896600).

Almost surely, 2^{133151043255342} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133151043255342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164155897382400).

133151043255342 is an abundant number, since it is smaller than the sum of its proper divisors (195160751509458).

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

133151043255342 is a wasteful number, since it uses less digits than its factorization.

133151043255342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669722.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 133151043255342 in words is "one hundred thirty-three trillion, one hundred fifty-one billion, forty-three million, two hundred fifty-five thousand, three hundred forty-two".