155413133 has 8 divisors (see below), whose sum is σ = 167012352. Its totient is φ = 144086976.

The previous prime is 155413121. The next prime is 155413147. The reversal of 155413133 is 331314551.

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

It is a cyclic number.

It is not a de Polignac number, because 155413133 - 2¹⁴ = 155396749 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155413163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67085 + ... + 69362.

It is an arithmetic number, because the mean of its divisors is an integer number (20876544).

Almost surely, 2^155413133 is an apocalyptic number.

It is an amenable number.

155413133 is a deficient number, since it is larger than the sum of its proper divisors (11599219).

155413133 is a wasteful number, since it uses less digits than its factorization.

155413133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136531.

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

The square root of 155413133 is about 12466.4803773960. The cubic root of 155413133 is about 537.6453638205.

Adding to 155413133 its reverse (331314551), we get a palindrome (486727684).

The spelling of 155413133 in words is "one hundred fifty-five million, four hundred thirteen thousand, one hundred thirty-three".