1153742076 has 96 divisors (see below), whose sum is σ = 3033676800. Its totient is φ = 379166400.

The previous prime is 1153742069. The next prime is 1153742099. The reversal of 1153742076 is 6702473511.

It is a happy number.

1153742076 is a `hidden beast` number, since 11 + 537 + 42 + 0 + 76 = 666.

It is a super-2 number, since 2×1153742076² = 2662241555865579552, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1153742076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4288870 + ... + 4289138.

It is an arithmetic number, because the mean of its divisors is an integer number (31600800).

Almost surely, 2^1153742076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153742076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516838400).

1153742076 is an abundant number, since it is smaller than the sum of its proper divisors (1879934724).

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

1153742076 is a wasteful number, since it uses less digits than its factorization.

1153742076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1153742076 is about 33966.7790053752. The cubic root of 1153742076 is about 1048.8247094493.

The spelling of 1153742076 in words is "one billion, one hundred fifty-three million, seven hundred forty-two thousand, seventy-six".