134489477 has 4 divisors (see below), whose sum is σ = 135746496. Its totient is φ = 133232460.

The previous prime is 134489473. The next prime is 134489483. The reversal of 134489477 is 774984431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 774984431 = 13 ⋅59614187.

It is a cyclic number.

It is not a de Polignac number, because 134489477 - 2² = 134489473 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 (134489473) 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, 628349 + ... + 628562.

It is an arithmetic number, because the mean of its divisors is an integer number (33936624).

Almost surely, 2^134489477 is an apocalyptic number.

It is an amenable number.

134489477 is a deficient number, since it is larger than the sum of its proper divisors (1257019).

134489477 is a wasteful number, since it uses less digits than its factorization.

134489477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257018.

The product of its digits is 677376, while the sum is 47.

The square root of 134489477 is about 11596.9598171245. The cubic root of 134489477 is about 512.3453137763.

The spelling of 134489477 in words is "one hundred thirty-four million, four hundred eighty-nine thousand, four hundred seventy-seven".