1356419 has 4 divisors (see below), whose sum is σ = 1361496. Its totient is φ = 1351344.

The previous prime is 1356409. The next prime is 1356427. The reversal of 1356419 is 9146531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9146531 = 137 ⋅66763.

It is a cyclic number.

It is not a de Polignac number, because 1356419 - 2²⁰ = 307843 is a prime.

It is a super-2 number, since 2×1356419² = 3679745007122, 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 = 1356391 and 1356400.

It is not an unprimeable number, because it can be changed into a prime (1356409) 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, 2114 + ... + 2679.

It is an arithmetic number, because the mean of its divisors is an integer number (340374).

2^1356419 is an apocalyptic number.

1356419 is a deficient number, since it is larger than the sum of its proper divisors (5077).

1356419 is an equidigital number, since it uses as much as digits as its factorization.

1356419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076.

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

The square root of 1356419 is about 1164.6540258806. The cubic root of 1356419 is about 110.6958369339.

The spelling of 1356419 in words is "one million, three hundred fifty-six thousand, four hundred nineteen".