1149826690 has 16 divisors (see below), whose sum is σ = 2071168128. Its totient is φ = 459601776.

The previous prime is 1149826621. The next prime is 1149826729. The reversal of 1149826690 is 966289411.

It is a happy number.

It is a super-2 number, since 2×1149826690² = 2644202834072712200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1149826690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26172 + ... + 54631.

It is an arithmetic number, because the mean of its divisors is an integer number (129448008).

Almost surely, 2^1149826690 is an apocalyptic number.

1149826690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149826690 is a deficient number, since it is larger than the sum of its proper divisors (921341438).

1149826690 is a wasteful number, since it uses less digits than its factorization.

1149826690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82233.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1149826690 is about 33909.0945028026. The cubic root of 1149826690 is about 1047.6369200706.

The spelling of 1149826690 in words is "one billion, one hundred forty-nine million, eight hundred twenty-six thousand, six hundred ninety".