1356019 has 8 divisors (see below), whose sum is σ = 1557248. Its totient is φ = 1156680.

The previous prime is 1356007. The next prime is 1356037. The reversal of 1356019 is 9106531.

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

It is not a de Polignac number, because 1356019 - 2⁵ = 1355987 is a prime.

It is a super-2 number, since 2×1356019² = 3677575056722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355984 and 1356002.

It is not an unprimeable number, because it can be changed into a prime (1356059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834 + ... + 2464.

It is an arithmetic number, because the mean of its divisors is an integer number (194656).

2^1356019 is an apocalyptic number.

1356019 is a deficient number, since it is larger than the sum of its proper divisors (201229).

1356019 is an equidigital number, since it uses as much as digits as its factorization.

1356019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1356019 is about 1164.4822884012. The cubic root of 1356019 is about 110.6849546800.

The spelling of 1356019 in words is "one million, three hundred fifty-six thousand, nineteen".