1310746428 has 48 divisors (see below), whose sum is σ = 3400320000. Its totient is φ = 436647024.

The previous prime is 1310746421. The next prime is 1310746439. The reversal of 1310746428 is 8246470131.

1310746428 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 7 + 4 + 642 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1310746392 and 1310746401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310746421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256563 + ... + 261621.

It is an arithmetic number, because the mean of its divisors is an integer number (70840000).

Almost surely, 2^1310746428 is an apocalyptic number.

1310746428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1310746428 is an abundant number, since it is smaller than the sum of its proper divisors (2089573572).

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

1310746428 is a wasteful number, since it uses less digits than its factorization.

1310746428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471 (or 7463 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1310746428 is about 36204.2321835445. The cubic root of 1310746428 is about 1094.3919611694.

The spelling of 1310746428 in words is "one billion, three hundred ten million, seven hundred forty-six thousand, four hundred twenty-eight".