1355820607 has 4 divisors (see below), whose sum is σ = 1356035976. Its totient is φ = 1355605240.

The previous prime is 1355820593. The next prime is 1355820623. The reversal of 1355820607 is 7060285531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7060285531 = 13 ⋅543098887.

It is a cyclic number.

It is not a de Polignac number, because 1355820607 - 2²³ = 1347431999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355820007) 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, 97948 + ... + 110929.

It is an arithmetic number, because the mean of its divisors is an integer number (339008994).

Almost surely, 2^1355820607 is an apocalyptic number.

1355820607 is a deficient number, since it is larger than the sum of its proper divisors (215369).

1355820607 is an equidigital number, since it uses as much as digits as its factorization.

1355820607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215368.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1355820607 is about 36821.4693758954. The cubic root of 1355820607 is about 1106.7955647852.

The spelling of 1355820607 in words is "one billion, three hundred fifty-five million, eight hundred twenty thousand, six hundred seven".