134653643 has 2 divisors, whose sum is σ = 134653644. Its totient is φ = 134653642.

The previous prime is 134653621. The next prime is 134653669. The reversal of 134653643 is 346356431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134653643 - 2⁶ = 134653579 is a prime.

It is not a weakly prime, because it can be changed into another prime (134653613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67326821 + 67326822.

It is an arithmetic number, because the mean of its divisors is an integer number (67326822).

Almost surely, 2^134653643 is an apocalyptic number.

134653643 is a deficient number, since it is larger than the sum of its proper divisors (1).

134653643 is an equidigital number, since it uses as much as digits as its factorization.

134653643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 35.

The square root of 134653643 is about 11604.0356342093. The cubic root of 134653643 is about 512.5536955836.

The spelling of 134653643 in words is "one hundred thirty-four million, six hundred fifty-three thousand, six hundred forty-three".