1373806634 has 8 divisors (see below), whose sum is σ = 2060923008. Its totient is φ = 686832300.

The previous prime is 1373806631. The next prime is 1373806697. The reversal of 1373806634 is 4366083731.

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

It is a junction number, because it is equal to n+sod(n) for n = 1373806591 and 1373806600.

It is not an unprimeable number, because it can be changed into a prime (1373806631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6632 + ... + 52835.

It is an arithmetic number, because the mean of its divisors is an integer number (257615376).

Almost surely, 2^1373806634 is an apocalyptic number.

1373806634 is a deficient number, since it is larger than the sum of its proper divisors (687116374).

1373806634 is a wasteful number, since it uses less digits than its factorization.

1373806634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71020.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 1373806634 is about 37064.8975986714. The cubic root of 1373806634 is about 1111.6682525082.

The spelling of 1373806634 in words is "one billion, three hundred seventy-three million, eight hundred six thousand, six hundred thirty-four".