133587741 has 32 divisors (see below), whose sum is σ = 208788480. Its totient is φ = 74399616.

The previous prime is 133587739. The next prime is 133587761. The reversal of 133587741 is 147785331.

It is not a de Polignac number, because 133587741 - 2¹ = 133587739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133587741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133587761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169350 + ... + 170136.

It is an arithmetic number, because the mean of its divisors is an integer number (6524640).

Almost surely, 2^133587741 is an apocalyptic number.

It is an amenable number.

133587741 is a deficient number, since it is larger than the sum of its proper divisors (75200739).

133587741 is a wasteful number, since it uses less digits than its factorization.

133587741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993.

The product of its digits is 70560, while the sum is 39.

The square root of 133587741 is about 11558.0163090385. The cubic root of 133587741 is about 511.1976734804.

The spelling of 133587741 in words is "one hundred thirty-three million, five hundred eighty-seven thousand, seven hundred forty-one".