134771923 has 12 divisors (see below), whose sum is σ = 159205608. Its totient is φ = 113093760.

The previous prime is 134771873. The next prime is 134771939. The reversal of 134771923 is 329177431.

It is a happy number.

It is not a de Polignac number, because 134771923 - 2¹⁷ = 134640851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134771953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34390 + ... + 38107.

It is an arithmetic number, because the mean of its divisors is an integer number (13267134).

Almost surely, 2^134771923 is an apocalyptic number.

134771923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134771923 is a deficient number, since it is larger than the sum of its proper divisors (24433685).

134771923 is a wasteful number, since it uses less digits than its factorization.

134771923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72534 (or 72521 counting only the distinct ones).

The product of its digits is 31752, while the sum is 37.

The square root of 134771923 is about 11609.1310182976. The cubic root of 134771923 is about 512.7037276893.

It can be divided in two parts, 13477 and 1923, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 134771923 in words is "one hundred thirty-four million, seven hundred seventy-one thousand, nine hundred twenty-three".