134816971 has 2 divisors, whose sum is σ = 134816972. Its totient is φ = 134816970.

The previous prime is 134816963. The next prime is 134816993. The reversal of 134816971 is 179618431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134816971 - 2³ = 134816963 is a prime.

It is a super-2 number, since 2×134816971² = 36351231339229682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134886971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67408485 + 67408486.

It is an arithmetic number, because the mean of its divisors is an integer number (67408486).

Almost surely, 2^134816971 is an apocalyptic number.

134816971 is a deficient number, since it is larger than the sum of its proper divisors (1).

134816971 is an equidigital number, since it uses as much as digits as its factorization.

134816971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 134816971 is about 11611.0710530941. The cubic root of 134816971 is about 512.7608456808.

The spelling of 134816971 in words is "one hundred thirty-four million, eight hundred sixteen thousand, nine hundred seventy-one".