1343400626 has 4 divisors (see below), whose sum is σ = 2015100942. Its totient is φ = 671700312.

The previous prime is 1343400623. The next prime is 1343400631. The reversal of 1343400626 is 6260043431.

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

It can be written as a sum of positive squares in only one way, i.e., 1339194025 + 4206601 = 36595^2 + 2051^2 .

It is not an unprimeable number, because it can be changed into a prime (1343400623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335850155 + ... + 335850158.

Almost surely, 2^1343400626 is an apocalyptic number.

1343400626 is a deficient number, since it is larger than the sum of its proper divisors (671700316).

1343400626 is an equidigital number, since it uses as much as digits as its factorization.

1343400626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671700315.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 1343400626 is about 36652.4300149390. The cubic root of 1343400626 is about 1103.4055958204.

The spelling of 1343400626 in words is "one billion, three hundred forty-three million, four hundred thousand, six hundred twenty-six".