1135487690 has 32 divisors (see below), whose sum is σ = 2245000320. Its totient is φ = 411580224.

The previous prime is 1135487677. The next prime is 1135487693. The reversal of 1135487690 is 967845311.

It is a super-2 number, since 2×1135487690² = 2578664588283072200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1135487693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125549 + ... + 134288.

It is an arithmetic number, because the mean of its divisors is an integer number (70156260).

Almost surely, 2^1135487690 is an apocalyptic number.

1135487690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1135487690 is a deficient number, since it is larger than the sum of its proper divisors (1109512630).

1135487690 is a wasteful number, since it uses less digits than its factorization.

1135487690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259886.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1135487690 is about 33696.9982342641. The cubic root of 1135487690 is about 1043.2638127204.

The spelling of 1135487690 in words is "one billion, one hundred thirty-five million, four hundred eighty-seven thousand, six hundred ninety".