134972929 has 16 divisors (see below), whose sum is σ = 170614528. Its totient is φ = 103902912.

The previous prime is 134972923. The next prime is 134972953. The reversal of 134972929 is 929279431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 134972929 - 2¹⁹ = 134448641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134972923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16677 + ... + 23410.

It is an arithmetic number, because the mean of its divisors is an integer number (10663408).

Almost surely, 2^134972929 is an apocalyptic number.

It is an amenable number.

134972929 is a deficient number, since it is larger than the sum of its proper divisors (35641599).

134972929 is a wasteful number, since it uses less digits than its factorization.

134972929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40144.

The product of its digits is 244944, while the sum is 46.

The square root of 134972929 is about 11617.7850298583. The cubic root of 134972929 is about 512.9584922598.

The spelling of 134972929 in words is "one hundred thirty-four million, nine hundred seventy-two thousand, nine hundred twenty-nine".