1399486134 has 16 divisors (see below), whose sum is σ = 2889262080. Its totient is φ = 451447080.

The previous prime is 1399486111. The next prime is 1399486159. The reversal of 1399486134 is 4316849931.

It is a super-2 number, since 2×1399486134² = 3917122878516531912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761874 + ... + 3762245.

It is an arithmetic number, because the mean of its divisors is an integer number (180578880).

Almost surely, 2^1399486134 is an apocalyptic number.

1399486134 is an abundant number, since it is smaller than the sum of its proper divisors (1489775946).

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

1399486134 is a wasteful number, since it uses less digits than its factorization.

1399486134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524155.

The product of its digits is 559872, while the sum is 48.

The square root of 1399486134 is about 37409.7064142450. The cubic root of 1399486134 is about 1118.5520548054.

It can be divided in two parts, 13994 and 86134, that added together give a triangular number (100128 = T₄₄₇).

The spelling of 1399486134 in words is "one billion, three hundred ninety-nine million, four hundred eighty-six thousand, one hundred thirty-four".