134720477 has 4 divisors (see below), whose sum is σ = 135076320. Its totient is φ = 134364636.

The previous prime is 134720473. The next prime is 134720483. The reversal of 134720477 is 774027431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134720477 - 2² = 134720473 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 (134720473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177353 + ... + 178110.

It is an arithmetic number, because the mean of its divisors is an integer number (33769080).

Almost surely, 2^134720477 is an apocalyptic number.

It is an amenable number.

134720477 is a deficient number, since it is larger than the sum of its proper divisors (355843).

134720477 is an equidigital number, since it uses as much as digits as its factorization.

134720477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355842.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 134720477 is about 11606.9150509513. The cubic root of 134720477 is about 512.6384818717.

The spelling of 134720477 in words is "one hundred thirty-four million, seven hundred twenty thousand, four hundred seventy-seven".