1347694164 has 18 divisors (see below), whose sum is σ = 3406671450. Its totient is φ = 449231376.

The previous prime is 1347694163. The next prime is 1347694219. The reversal of 1347694164 is 4614967431.

1347694164 is a `hidden beast` number, since 13 + 476 + 9 + 4 + 164 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1265936400 + 81757764 = 35580^2 + 9042^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347694163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18717939 + ... + 18718010.

It is an arithmetic number, because the mean of its divisors is an integer number (189259525).

Almost surely, 2^1347694164 is an apocalyptic number.

It is an amenable number.

1347694164 is an abundant number, since it is smaller than the sum of its proper divisors (2058977286).

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

1347694164 is a wasteful number, since it uses less digits than its factorization.

1347694164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37435959 (or 37435954 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1347694164 is about 36710.9542779808. The cubic root of 1347694164 is about 1104.5798485935.

The spelling of 1347694164 in words is "one billion, three hundred forty-seven million, six hundred ninety-four thousand, one hundred sixty-four".