134140123 has 8 divisors (see below), whose sum is σ = 144633888. Its totient is φ = 123671424.

The previous prime is 134140121. The next prime is 134140157. The reversal of 134140123 is 321041431.

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

It is a cyclic number.

It is not a de Polignac number, because 134140123 - 2¹ = 134140121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134140123.

It is not an unprimeable number, because it can be changed into a prime (134140121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5715 + ... + 17347.

It is an arithmetic number, because the mean of its divisors is an integer number (18079236).

Almost surely, 2^134140123 is an apocalyptic number.

134140123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134140123 is a deficient number, since it is larger than the sum of its proper divisors (10493765).

134140123 is a wasteful number, since it uses less digits than its factorization.

134140123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 134140123 is about 11581.8877131494. The cubic root of 134140123 is about 511.9013011145.

Adding to 134140123 its reverse (321041431), we get a palindrome (455181554).

The spelling of 134140123 in words is "one hundred thirty-four million, one hundred forty thousand, one hundred twenty-three".