1343691478 has 8 divisors (see below), whose sum is σ = 2027902968. Its totient is φ = 667723824.

The previous prime is 1343691451. The next prime is 1343691511. The reversal of 1343691478 is 8741963431.

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

It is a congruent 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, 2060551 + ... + 2061202.

It is an arithmetic number, because the mean of its divisors is an integer number (253487871).

Almost surely, 2^1343691478 is an apocalyptic number.

1343691478 is a deficient number, since it is larger than the sum of its proper divisors (684211490).

1343691478 is a wasteful number, since it uses less digits than its factorization.

1343691478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121918.

The product of its digits is 435456, while the sum is 46.

The square root of 1343691478 is about 36656.3975043921. The cubic root of 1343691478 is about 1103.4852207564.

The spelling of 1343691478 in words is "one billion, three hundred forty-three million, six hundred ninety-one thousand, four hundred seventy-eight".