134521155 has 48 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 70357248.

The previous prime is 134521147. The next prime is 134521291. The reversal of 134521155 is 551125431.

134521155 is a `hidden beast` number, since 134 + 521 + 1 + 5 + 5 = 666.

It is not a de Polignac number, because 134521155 - 2³ = 134521147 is a prime.

It is a super-2 number, since 2×134521155² = 36191882285068050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63351 + ... + 65439.

It is an arithmetic number, because the mean of its divisors is an integer number (5135130).

Almost surely, 2^134521155 is an apocalyptic number.

134521155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

134521155 is a deficient number, since it is larger than the sum of its proper divisors (111965085).

134521155 is an equidigital number, since it uses as much as digits as its factorization.

134521155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162 (or 2150 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 134521155 is about 11598.3255256955. The cubic root of 134521155 is about 512.3855369994.

Adding to 134521155 its reverse (551125431), we get a palindrome (685646586).

It can be divided in two parts, 1345 and 21155, that added together give a square (22500 = 150²).

The spelling of 134521155 in words is "one hundred thirty-four million, five hundred twenty-one thousand, one hundred fifty-five".