134261019 has 36 divisors (see below), whose sum is σ = 211203720. Its totient is φ = 82122240.

The previous prime is 134261009. The next prime is 134261041. The reversal of 134261019 is 910162431.

134261019 is a `hidden beast` number, since 1 + 3 + 42 + 610 + 1 + 9 = 666.

It is not a de Polignac number, because 134261019 - 2⁴ = 134261003 is a prime.

It is a super-2 number, since 2×134261019² = 36052042445836722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134260983 and 134261001.

It is not an unprimeable number, because it can be changed into a prime (134261009) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106012 + ... + 107270.

It is an arithmetic number, because the mean of its divisors is an integer number (5866770).

Almost surely, 2^134261019 is an apocalyptic number.

134261019 is a deficient number, since it is larger than the sum of its proper divisors (76942701).

134261019 is a wasteful number, since it uses less digits than its factorization.

134261019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 134261019 is about 11587.1057214474. The cubic root of 134261019 is about 512.0550414358.

The spelling of 134261019 in words is "one hundred thirty-four million, two hundred sixty-one thousand, nineteen".