134148261 has 32 divisors (see below), whose sum is σ = 198696960. Its totient is φ = 79982784.

The previous prime is 134148257. The next prime is 134148263. The reversal of 134148261 is 162841431.

It is not a de Polignac number, because 134148261 - 2² = 134148257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134148263) 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, 279820 + ... + 280298.

It is an arithmetic number, because the mean of its divisors is an integer number (6209280).

Almost surely, 2^134148261 is an apocalyptic number.

It is an amenable number.

134148261 is a deficient number, since it is larger than the sum of its proper divisors (64548699).

134148261 is a wasteful number, since it uses less digits than its factorization.

134148261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705.

The product of its digits is 4608, while the sum is 30.

The square root of 134148261 is about 11582.2390322424. The cubic root of 134148261 is about 511.9116528980.

Adding to 134148261 its reverse (162841431), we get a palindrome (296989692).

The spelling of 134148261 in words is "one hundred thirty-four million, one hundred forty-eight thousand, two hundred sixty-one".