1147707540 has 288 divisors, whose sum is σ = 4226826240. Its totient is φ = 246240000.

The previous prime is 1147707529. The next prime is 1147707557. The reversal of 1147707540 is 457077411.

1147707540 is a `hidden beast` number, since 1 + 1 + 47 + 70 + 7 + 540 = 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 = 1147707495 and 1147707504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4572415 + ... + 4572665.

It is an arithmetic number, because the mean of its divisors is an integer number (14676480).

Almost surely, 2^1147707540 is an apocalyptic number.

1147707540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147707540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2113413120).

1147707540 is an abundant number, since it is smaller than the sum of its proper divisors (3079118700).

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

1147707540 is a wasteful number, since it uses less digits than its factorization.

1147707540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 1147707540 is about 33877.8325752991. The cubic root of 1147707540 is about 1046.9929200978.

The spelling of 1147707540 in words is "one billion, one hundred forty-seven million, seven hundred seven thousand, five hundred forty".