134651403 has 20 divisors (see below), whose sum is σ = 202003208. Its totient is φ = 89754480.

The previous prime is 134651359. The next prime is 134651411. The reversal of 134651403 is 304156431.

134651403 is a `hidden beast` number, since 1 + 3 + 4 + 651 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 134651403 - 2¹⁰ = 134650379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134651443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16263 + ... + 23103.

Almost surely, 2^134651403 is an apocalyptic number.

134651403 is a deficient number, since it is larger than the sum of its proper divisors (67351805).

134651403 is an frugal number, since it uses more digits than its factorization.

134651403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 134651403 is about 11603.9391156624. The cubic root of 134651403 is about 512.5508534111.

The spelling of 134651403 in words is "one hundred thirty-four million, six hundred fifty-one thousand, four hundred three".