1153087494 has 16 divisors (see below), whose sum is σ = 2483573232. Its totient is φ = 354796128.

The previous prime is 1153087459. The next prime is 1153087513. The reversal of 1153087494 is 4947803511.

It is a happy number.

It is a super-2 number, since 2×1153087494² = 2659221537638400072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7391509 + ... + 7391664.

It is an arithmetic number, because the mean of its divisors is an integer number (155223327).

Almost surely, 2^1153087494 is an apocalyptic number.

1153087494 is an abundant number, since it is smaller than the sum of its proper divisors (1330485738).

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

1153087494 is a wasteful number, since it uses less digits than its factorization.

1153087494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783191.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 1153087494 is about 33957.1420175491. The cubic root of 1153087494 is about 1048.6263197431.

The spelling of 1153087494 in words is "one billion, one hundred fifty-three million, eighty-seven thousand, four hundred ninety-four".