1355643242 has 8 divisors (see below), whose sum is σ = 2033755776. Its totient is φ = 677724652.

The previous prime is 1355643221. The next prime is 1355643281. The reversal of 1355643242 is 2423465531.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29528 + ... + 59859.

It is an arithmetic number, because the mean of its divisors is an integer number (254219472).

Almost surely, 2^1355643242 is an apocalyptic number.

1355643242 is a deficient number, since it is larger than the sum of its proper divisors (678112534).

1355643242 is an equidigital number, since it uses as much as digits as its factorization.

1355643242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96972.

The product of its digits is 86400, while the sum is 35.

The square root of 1355643242 is about 36819.0608516839. The cubic root of 1355643242 is about 1106.7472999545.

The spelling of 1355643242 in words is "one billion, three hundred fifty-five million, six hundred forty-three thousand, two hundred forty-two".