133742375 has 32 divisors (see below), whose sum is σ = 181184640. Its totient is φ = 98560800.

The previous prime is 133742363. The next prime is 133742381. The reversal of 133742375 is 573247331.

It is not a de Polignac number, because 133742375 - 2¹² = 133738279 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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274382 + ... + 274868.

It is an arithmetic number, because the mean of its divisors is an integer number (5662020).

Almost surely, 2^133742375 is an apocalyptic number.

133742375 is a deficient number, since it is larger than the sum of its proper divisors (47442265).

133742375 is an frugal number, since it uses more digits than its factorization.

133742375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 505 counting only the distinct ones).

The product of its digits is 52920, while the sum is 35.

The square root of 133742375 is about 11564.7038440247. The cubic root of 133742375 is about 511.3948424203.

The spelling of 133742375 in words is "one hundred thirty-three million, seven hundred forty-two thousand, three hundred seventy-five".