126136155 has 32 divisors (see below), whose sum is σ = 213868800. Its totient is φ = 63303552.

The previous prime is 126136151. The next prime is 126136211. The reversal of 126136155 is 551631621.

It is not a de Polignac number, because 126136155 - 2² = 126136151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126136151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43336 + ... + 46154.

It is an arithmetic number, because the mean of its divisors is an integer number (6683400).

Almost surely, 2^126136155 is an apocalyptic number.

126136155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126136155 is a deficient number, since it is larger than the sum of its proper divisors (87732645).

126136155 is a wasteful number, since it uses less digits than its factorization.

126136155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003.

The product of its digits is 5400, while the sum is 30.

The square root of 126136155 is about 11231.0353485331. The cubic root of 126136155 is about 501.5103066874.

Adding to 126136155 its reverse (551631621), we get a palindrome (677767776).

The spelling of 126136155 in words is "one hundred twenty-six million, one hundred thirty-six thousand, one hundred fifty-five".