1357435819 has 4 divisors (see below), whose sum is σ = 1362232696. Its totient is φ = 1352638944.

The previous prime is 1357435813. The next prime is 1357435847. The reversal of 1357435819 is 9185347531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9185347531 = 13183 ⋅696757.

It is a cyclic number.

It is not a de Polignac number, because 1357435819 - 2⁷ = 1357435691 is a prime.

It is a super-2 number, since 2×1357435819² = 3685264005408401522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357435813) 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, 2398014 + ... + 2398579.

It is an arithmetic number, because the mean of its divisors is an integer number (340558174).

Almost surely, 2^1357435819 is an apocalyptic number.

1357435819 is a deficient number, since it is larger than the sum of its proper divisors (4796877).

1357435819 is an equidigital number, since it uses as much as digits as its factorization.

1357435819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796876.

The product of its digits is 453600, while the sum is 46.

The square root of 1357435819 is about 36843.3958668307. The cubic root of 1357435819 is about 1107.2349051199.

The spelling of 1357435819 in words is "one billion, three hundred fifty-seven million, four hundred thirty-five thousand, eight hundred nineteen".