1398745152 has 112 divisors (see below), whose sum is σ = 4699528320. Its totient is φ = 399638016.

The previous prime is 1398745129. The next prime is 1398745157. The reversal of 1398745152 is 2515478931.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 1398745098 and 1398745107.

It is not an unprimeable number, because it can be changed into a prime (1398745157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45723 + ... + 69914.

Almost surely, 2^1398745152 is an apocalyptic number.

1398745152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1398745152 is an abundant number, since it is smaller than the sum of its proper divisors (3300783168).

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

1398745152 is a wasteful number, since it uses less digits than its factorization.

1398745152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115665 (or 115649 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 1398745152 is about 37399.8014967994. The cubic root of 1398745152 is about 1118.3546077471.

The spelling of 1398745152 in words is "one billion, three hundred ninety-eight million, seven hundred forty-five thousand, one hundred fifty-two".