134261051 has 8 divisors (see below), whose sum is σ = 140340384. Its totient is φ = 128201920.

The previous prime is 134261047. The next prime is 134261081. The reversal of 134261051 is 150162431.

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

It is a 6-Lehmer number, since φ(134261051) divides (134261051-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 134261051 - 2² = 134261047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134261041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9461 + ... + 18921.

It is an arithmetic number, because the mean of its divisors is an integer number (17542548).

Almost surely, 2^134261051 is an apocalyptic number.

134261051 is the 9461-st pentagonal number.

134261051 is a deficient number, since it is larger than the sum of its proper divisors (6079333).

134261051 is an equidigital number, since it uses as much as digits as its factorization.

134261051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 134261051 is about 11587.1071022926. The cubic root of 134261051 is about 512.0550821171.

The spelling of 134261051 in words is "one hundred thirty-four million, two hundred sixty-one thousand, fifty-one".