155134099 has 2 divisors, whose sum is σ = 155134100. Its totient is φ = 155134098.

The previous prime is 155134097. The next prime is 155134139. The reversal of 155134099 is 990431551.

It is a happy number.

155134099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 155134099 - 2¹ = 155134097 is a prime.

Together with 155134097, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (155134093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77567049 + 77567050.

It is an arithmetic number, because the mean of its divisors is an integer number (77567050).

Almost surely, 2^155134099 is an apocalyptic number.

155134099 is a deficient number, since it is larger than the sum of its proper divisors (1).

155134099 is an equidigital number, since it uses as much as digits as its factorization.

155134099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 155134099 is about 12455.2839790990. The cubic root of 155134099 is about 537.3234021611.

The spelling of 155134099 in words is "one hundred fifty-five million, one hundred thirty-four thousand, ninety-nine".