70134019 has 4 divisors (see below), whose sum is σ = 70166320. Its totient is φ = 70101720.

The previous prime is 70134017. The next prime is 70134023. The reversal of 70134019 is 91043107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70134019 - 2¹ = 70134017 is a prime.

It is a super-2 number, since 2×70134019² = 9837561242184722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70133984 and 70134002.

It is not an unprimeable number, because it can be changed into a prime (70134017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12639 + ... + 17320.

It is an arithmetic number, because the mean of its divisors is an integer number (17541580).

Almost surely, 2^70134019 is an apocalyptic number.

70134019 is a deficient number, since it is larger than the sum of its proper divisors (32301).

70134019 is a wasteful number, since it uses less digits than its factorization.

70134019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32300.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 70134019 is about 8374.6056026538. The cubic root of 70134019 is about 412.3913768473.

The spelling of 70134019 in words is "seventy million, one hundred thirty-four thousand, nineteen".