134745663 has 64 divisors (see below), whose sum is σ = 214824960. Its totient is φ = 74400768.

The previous prime is 134745659. The next prime is 134745671. The reversal of 134745663 is 366547431.

It is a Cunningham number, because it is equal to 11608²-1.

It is not a de Polignac number, because 134745663 - 2² = 134745659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134745613) 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 63 ways as a sum of consecutive naturals, for example, 1845795 + ... + 1845867.

It is an arithmetic number, because the mean of its divisors is an integer number (3356640).

Almost surely, 2^134745663 is an apocalyptic number.

134745663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

134745663 is a deficient number, since it is larger than the sum of its proper divisors (80079297).

134745663 is a wasteful number, since it uses less digits than its factorization.

134745663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its digits is 181440, while the sum is 39.

The square root of 134745663 is about 11607.9999569263. Note that the first 4 decimals coincide. The cubic root of 134745663 is about 512.6704258112.

The spelling of 134745663 in words is "one hundred thirty-four million, seven hundred forty-five thousand, six hundred sixty-three".