1399546548 has 36 divisors (see below), whose sum is σ = 3538892448. Its totient is φ = 466363920.

The previous prime is 1399546543. The next prime is 1399546549. The reversal of 1399546548 is 8456459931.

1399546548 is a `hidden beast` number, since 1 + 3 + 9 + 95 + 4 + 6 + 548 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1399546494 and 1399546503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399546543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187243 + ... + 194573.

It is an arithmetic number, because the mean of its divisors is an integer number (98302568).

Almost surely, 2^1399546548 is an apocalyptic number.

1399546548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1399546548 is an abundant number, since it is smaller than the sum of its proper divisors (2139345900).

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

1399546548 is a wasteful number, since it uses less digits than its factorization.

1399546548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644 (or 12639 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 54.

The square root of 1399546548 is about 37410.5138697666. The cubic root of 1399546548 is about 1118.5681500539.

The spelling of 1399546548 in words is "one billion, three hundred ninety-nine million, five hundred forty-six thousand, five hundred forty-eight".