134963623 has 2 divisors, whose sum is σ = 134963624. Its totient is φ = 134963622.

The previous prime is 134963603. The next prime is 134963639. The reversal of 134963623 is 326369431.

It is a strong prime.

It is an emirp because it is prime and its reverse (326369431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134963623 - 2²¹ = 132866471 is a prime.

It is a super-2 number, since 2×134963623² = 36430359066572258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134963603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67481811 + 67481812.

It is an arithmetic number, because the mean of its divisors is an integer number (67481812).

Almost surely, 2^134963623 is an apocalyptic number.

134963623 is a deficient number, since it is larger than the sum of its proper divisors (1).

134963623 is an equidigital number, since it uses as much as digits as its factorization.

134963623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The square root of 134963623 is about 11617.3845163186. The cubic root of 134963623 is about 512.9467029786.

The spelling of 134963623 in words is "one hundred thirty-four million, nine hundred sixty-three thousand, six hundred twenty-three".