1343240155 has 8 divisors (see below), whose sum is σ = 1651202784. Its totient is φ = 1048382400.

The previous prime is 1343240117. The next prime is 1343240179. The reversal of 1343240155 is 5510423431.

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

It is not a de Polignac number, because 1343240155 - 2²³ = 1334851547 is a prime.

It is a super-2 number, since 2×1343240155² = 3608588228008848050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275991 + ... + 3276400.

It is an arithmetic number, because the mean of its divisors is an integer number (206400348).

Almost surely, 2^1343240155 is an apocalyptic number.

1343240155 is a deficient number, since it is larger than the sum of its proper divisors (307962629).

1343240155 is an equidigital number, since it uses as much as digits as its factorization.

1343240155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6552437.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1343240155 is about 36650.2408586901. The cubic root of 1343240155 is about 1103.3616596466.

Adding to 1343240155 its reverse (5510423431), we get a palindrome (6853663586).

The spelling of 1343240155 in words is "one billion, three hundred forty-three million, two hundred forty thousand, one hundred fifty-five".