1343157155 has 4 divisors (see below), whose sum is σ = 1611788592. Its totient is φ = 1074525720.

The previous prime is 1343157121. The next prime is 1343157161. The reversal of 1343157155 is 5517513431.

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

It is not a de Polignac number, because 1343157155 - 2¹⁰ = 1343156131 is a prime.

It is a super-2 number, since 2×1343157155² = 3608142286055388050, 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 3 ways as a sum of consecutive naturals, for example, 134315711 + ... + 134315720.

It is an arithmetic number, because the mean of its divisors is an integer number (402947148).

Almost surely, 2^1343157155 is an apocalyptic number.

1343157155 is a deficient number, since it is larger than the sum of its proper divisors (268631437).

1343157155 is an equidigital number, since it uses as much as digits as its factorization.

1343157155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268631436.

The product of its digits is 31500, while the sum is 35.

The square root of 1343157155 is about 36649.1085157607. The cubic root of 1343157155 is about 1103.3389332802.

The spelling of 1343157155 in words is "one billion, three hundred forty-three million, one hundred fifty-seven thousand, one hundred fifty-five".