134628331 has 2 divisors, whose sum is σ = 134628332. Its totient is φ = 134628330.

The previous prime is 134628323. The next prime is 134628349. The reversal of 134628331 is 133826431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134628331 - 2³ = 134628323 is a prime.

It is a super-2 number, since 2×134628331² = 36249575015691122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134628293 and 134628302.

It is not a weakly prime, because it can be changed into another prime (134628031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67314165 + 67314166.

It is an arithmetic number, because the mean of its divisors is an integer number (67314166).

Almost surely, 2^134628331 is an apocalyptic number.

134628331 is a deficient number, since it is larger than the sum of its proper divisors (1).

134628331 is an equidigital number, since it uses as much as digits as its factorization.

134628331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 134628331 is about 11602.9449279052. The cubic root of 134628331 is about 512.5215771998.

The spelling of 134628331 in words is "one hundred thirty-four million, six hundred twenty-eight thousand, three hundred thirty-one".