134972679 has 8 divisors (see below), whose sum is σ = 181381120. Its totient is φ = 89273016.

The previous prime is 134972627. The next prime is 134972681. The reversal of 134972679 is 976279431.

It is a happy number.

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

It is not a de Polignac number, because 134972679 - 2¹⁵ = 134939911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134972879) 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, 176749 + ... + 177510.

It is an arithmetic number, because the mean of its divisors is an integer number (22672640).

Almost surely, 2^134972679 is an apocalyptic number.

134972679 is a deficient number, since it is larger than the sum of its proper divisors (46408441).

134972679 is a wasteful number, since it uses less digits than its factorization.

134972679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354389.

The product of its digits is 571536, while the sum is 48.

The square root of 134972679 is about 11617.7742704874. The cubic root of 134972679 is about 512.9581755550.

The spelling of 134972679 in words is "one hundred thirty-four million, nine hundred seventy-two thousand, six hundred seventy-nine".