155134133 has 8 divisors (see below), whose sum is σ = 193414080. Its totient is φ = 120883680.

The previous prime is 155134099. The next prime is 155134139. The reversal of 155134133 is 331431551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155134133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155134139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007288 + ... + 1007441.

It is an arithmetic number, because the mean of its divisors is an integer number (24176760).

Almost surely, 2^155134133 is an apocalyptic number.

It is an amenable number.

155134133 is a deficient number, since it is larger than the sum of its proper divisors (38279947).

155134133 is a wasteful number, since it uses less digits than its factorization.

155134133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014747.

The product of its digits is 2700, while the sum is 26.

The square root of 155134133 is about 12455.2853439815. The cubic root of 155134133 is about 537.3234414153.

Adding to 155134133 its reverse (331431551), we get a palindrome (486565684).

The spelling of 155134133 in words is "one hundred fifty-five million, one hundred thirty-four thousand, one hundred thirty-three".