1399169934 has 24 divisors (see below), whose sum is σ = 3129327552. Its totient is φ = 451344960.

The previous prime is 1399169917. The next prime is 1399169963. The reversal of 1399169934 is 4399619931.

1399169934 is a `hidden beast` number, since 1 + 399 + 169 + 93 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1253179 + ... + 1254294.

It is an arithmetic number, because the mean of its divisors is an integer number (130388648).

Almost surely, 2^1399169934 is an apocalyptic number.

1399169934 is an abundant number, since it is smaller than the sum of its proper divisors (1730157618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399169934 is a wasteful number, since it uses less digits than its factorization.

1399169934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507512 (or 2507509 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 1399169934 is about 37405.4799995936. The cubic root of 1399169934 is about 1118.4678065489.

The spelling of 1399169934 in words is "one billion, three hundred ninety-nine million, one hundred sixty-nine thousand, nine hundred thirty-four".