1343474138 has 4 divisors (see below), whose sum is σ = 2015211210. Its totient is φ = 671737068.

The previous prime is 1343474123. The next prime is 1343474161. The reversal of 1343474138 is 8314743431.

It is a happy number.

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., 1152398809 + 191075329 = 33947^2 + 13823^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335868533 + ... + 335868536.

Almost surely, 2^1343474138 is an apocalyptic number.

1343474138 is a deficient number, since it is larger than the sum of its proper divisors (671737072).

1343474138 is an equidigital number, since it uses as much as digits as its factorization.

1343474138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671737071.

The product of its digits is 96768, while the sum is 38.

The square root of 1343474138 is about 36653.4328269536. The cubic root of 1343474138 is about 1103.4257218774.

The spelling of 1343474138 in words is "one billion, three hundred forty-three million, four hundred seventy-four thousand, one hundred thirty-eight".