1343734945 has 16 divisors (see below), whose sum is σ = 1848163968. Its totient is φ = 918754560.

The previous prime is 1343734879. The next prime is 1343734949. The reversal of 1343734945 is 5494373431.

It is not a de Polignac number, because 1343734945 - 2⁷ = 1343734817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1343734949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43176 + ... + 67465.

It is an arithmetic number, because the mean of its divisors is an integer number (115510248).

Almost surely, 2^1343734945 is an apocalyptic number.

It is an amenable number.

1343734945 is a deficient number, since it is larger than the sum of its proper divisors (504429023).

1343734945 is a wasteful number, since it uses less digits than its factorization.

1343734945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000.

The product of its digits is 544320, while the sum is 43.

The square root of 1343734945 is about 36656.9903974672. The cubic root of 1343734945 is about 1103.4971194885.

The spelling of 1343734945 in words is "one billion, three hundred forty-three million, seven hundred thirty-four thousand, nine hundred forty-five".