1155342134 has 8 divisors (see below), whose sum is σ = 1834955208. Its totient is φ = 543690400.

The previous prime is 1155342127. The next prime is 1155342137. The reversal of 1155342134 is 4312435511.

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

It is a junction number, because it is equal to n+sod(n) for n = 1155342097 and 1155342106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155342137) 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 3 ways as a sum of consecutive naturals, for example, 16990292 + ... + 16990359.

It is an arithmetic number, because the mean of its divisors is an integer number (229369401).

Almost surely, 2^1155342134 is an apocalyptic number.

1155342134 is a deficient number, since it is larger than the sum of its proper divisors (679613074).

1155342134 is a wasteful number, since it uses less digits than its factorization.

1155342134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33980670.

The product of its digits is 7200, while the sum is 29.

The square root of 1155342134 is about 33990.3241231972. The cubic root of 1155342134 is about 1049.3093368800.

Adding to 1155342134 its reverse (4312435511), we get a palindrome (5467777645).

The spelling of 1155342134 in words is "one billion, one hundred fifty-five million, three hundred forty-two thousand, one hundred thirty-four".