1354673345 has 4 divisors (see below), whose sum is σ = 1625608020. Its totient is φ = 1083738672.

The previous prime is 1354673321. The next prime is 1354673347. The reversal of 1354673345 is 5433764531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 512977201 + 841696144 = 22649^2 + 29012^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354673345 - 2²⁴ = 1337896129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1354673347) 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, 135467330 + ... + 135467339.

It is an arithmetic number, because the mean of its divisors is an integer number (406402005).

Almost surely, 2^1354673345 is an apocalyptic number.

It is an amenable number.

1354673345 is a deficient number, since it is larger than the sum of its proper divisors (270934675).

1354673345 is an equidigital number, since it uses as much as digits as its factorization.

1354673345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270934674.

The product of its digits is 453600, while the sum is 41.

The square root of 1354673345 is about 36805.8873687349. The cubic root of 1354673345 is about 1106.4832956427.

The spelling of 1354673345 in words is "one billion, three hundred fifty-four million, six hundred seventy-three thousand, three hundred forty-five".