134231487 has 16 divisors (see below), whose sum is σ = 193041408. Its totient is φ = 82476000.

The previous prime is 134231477. The next prime is 134231497. The reversal of 134231487 is 784132431.

It is an interprime number because it is at equal distance from previous prime (134231477) and next prime (134231497).

It is not a de Polignac number, because 134231487 - 2¹⁰ = 134230463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134231407) 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, 26998 + ... + 31580.

It is an arithmetic number, because the mean of its divisors is an integer number (12065088).

Almost surely, 2^134231487 is an apocalyptic number.

134231487 is a deficient number, since it is larger than the sum of its proper divisors (58809921).

134231487 is a wasteful number, since it uses less digits than its factorization.

134231487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350.

The product of its digits is 16128, while the sum is 33.

The square root of 134231487 is about 11585.8313037952. The cubic root of 134231487 is about 512.0174948754.

The spelling of 134231487 in words is "one hundred thirty-four million, two hundred thirty-one thousand, four hundred eighty-seven".