135312419 has 8 divisors (see below), whose sum is σ = 147860208. Its totient is φ = 122805760.

The previous prime is 135312409. The next prime is 135312449. The reversal of 135312419 is 914213531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-135312419 is a prime.

It is a super-2 number, since 2×135312419² = 36618901471263122, 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 = 135312391 and 135312400.

It is not an unprimeable number, because it can be changed into a prime (135312409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3182 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (18482526).

Almost surely, 2^135312419 is an apocalyptic number.

135312419 is a deficient number, since it is larger than the sum of its proper divisors (12547789).

135312419 is a wasteful number, since it uses less digits than its factorization.

135312419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20565.

The product of its digits is 3240, while the sum is 29.

The square root of 135312419 is about 11632.3866424737. The cubic root of 135312419 is about 513.3882042974.

The spelling of 135312419 in words is "one hundred thirty-five million, three hundred twelve thousand, four hundred nineteen".