620693134 has 8 divisors (see below), whose sum is σ = 971519760. Its totient is φ = 296853216.

The previous prime is 620693057. The next prime is 620693149. The reversal of 620693134 is 431396026.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 620693134.

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, 6746619 + ... + 6746710.

It is an arithmetic number, because the mean of its divisors is an integer number (121439970).

Almost surely, 2^620693134 is an apocalyptic number.

620693134 is a deficient number, since it is larger than the sum of its proper divisors (350826626).

620693134 is a wasteful number, since it uses less digits than its factorization.

620693134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13493354.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 620693134 is about 24913.7137737432. The cubic root of 620693134 is about 853.0195416415.

The spelling of 620693134 in words is "six hundred twenty million, six hundred ninety-three thousand, one hundred thirty-four".