155134027 has 4 divisors (see below), whose sum is σ = 164259576. Its totient is φ = 146008480.

The previous prime is 155134019. The next prime is 155134033. The reversal of 155134027 is 720431551.

It is a happy number.

155134027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155134027 - 2³ = 155134019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155133986 and 155134004.

It is not an unprimeable number, because it can be changed into a prime (155134097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4562749 + ... + 4562782.

It is an arithmetic number, because the mean of its divisors is an integer number (41064894).

Almost surely, 2^155134027 is an apocalyptic number.

155134027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

155134027 is a deficient number, since it is larger than the sum of its proper divisors (9125549).

155134027 is an equidigital number, since it uses as much as digits as its factorization.

155134027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125548.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 155134027 is about 12455.2810887591. The cubic root of 155134027 is about 537.3233190345.

Adding to 155134027 its reverse (720431551), we get a palindrome (875565578).

The spelling of 155134027 in words is "one hundred fifty-five million, one hundred thirty-four thousand, twenty-seven".