134215379 has 2 divisors, whose sum is σ = 134215380. Its totient is φ = 134215378.

The previous prime is 134215363. The next prime is 134215429. The reversal of 134215379 is 973512431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134215379 - 2⁴ = 134215363 is a prime.

It is a super-2 number, since 2×134215379² = 36027535920227282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134215349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67107689 + 67107690.

It is an arithmetic number, because the mean of its divisors is an integer number (67107690).

Almost surely, 2^134215379 is an apocalyptic number.

134215379 is a deficient number, since it is larger than the sum of its proper divisors (1).

134215379 is an equidigital number, since it uses as much as digits as its factorization.

134215379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 134215379 is about 11585.1361234989. The cubic root of 134215379 is about 511.9970130746.

The spelling of 134215379 in words is "one hundred thirty-four million, two hundred fifteen thousand, three hundred seventy-nine".