1399819932 has 72 divisors (see below), whose sum is σ = 4048358496. Its totient is φ = 399510144.

The previous prime is 1399819919. The next prime is 1399819957. The reversal of 1399819932 is 2399189931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278998 + ... + 283970.

Almost surely, 2^1399819932 is an apocalyptic number.

1399819932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1399819932 is an abundant number, since it is smaller than the sum of its proper divisors (2648538564).

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

1399819932 is a wasteful number, since it uses less digits than its factorization.

1399819932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107 (or 6102 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The square root of 1399819932 is about 37414.1675304957. The cubic root of 1399819932 is about 1118.6409781011.

It can be divided in two parts, 13998 and 19932, that added together give a triangular number (33930 = T₂₆₀).

The spelling of 1399819932 in words is "one billion, three hundred ninety-nine million, eight hundred nineteen thousand, nine hundred thirty-two".