134055691 has 16 divisors (see below), whose sum is σ = 171214848. Its totient is φ = 101908800.

The previous prime is 134055689. The next prime is 134055731. The reversal of 134055691 is 196550431.

134055691 = T₂₈ + T₂₉ + ... + T₉₂₉.

It is not a de Polignac number, because 134055691 - 2¹ = 134055689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134055641) 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 15 ways as a sum of consecutive naturals, for example, 18075 + ... + 24388.

It is an arithmetic number, because the mean of its divisors is an integer number (10700928).

Almost surely, 2^134055691 is an apocalyptic number.

134055691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134055691 is a deficient number, since it is larger than the sum of its proper divisors (37159157).

134055691 is a wasteful number, since it uses less digits than its factorization.

134055691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42522.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 134055691 is about 11578.2421377340. The cubic root of 134055691 is about 511.7938763285.

The spelling of 134055691 in words is "one hundred thirty-four million, fifty-five thousand, six hundred ninety-one".