1147657434 has 96 divisors (see below), whose sum is σ = 2913007104. Its totient is φ = 292799040.

The previous prime is 1147657429. The next prime is 1147657447. The reversal of 1147657434 is 4347567411.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6633772 + ... + 6633944.

It is an arithmetic number, because the mean of its divisors is an integer number (30343824).

Almost surely, 2^1147657434 is an apocalyptic number.

1147657434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1147657434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456503552).

1147657434 is an abundant number, since it is smaller than the sum of its proper divisors (1765349670).

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

1147657434 is a wasteful number, since it uses less digits than its factorization.

1147657434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 279 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 1147657434 is about 33877.0930571087. The cubic root of 1147657434 is about 1046.9776835244.

The spelling of 1147657434 in words is "one billion, one hundred forty-seven million, six hundred fifty-seven thousand, four hundred thirty-four".