1005342190 has 16 divisors (see below), whose sum is σ = 1888295328. Its totient is φ = 384652576.

The previous prime is 1005342161. The next prime is 1005342197. The reversal of 1005342190 is 912435001.

It is a super-2 number, since 2×1005342190² = 2021425837987992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005342197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2185297 + ... + 2185756.

It is an arithmetic number, because the mean of its divisors is an integer number (118018458).

Almost surely, 2^1005342190 is an apocalyptic number.

1005342190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005342190 is a deficient number, since it is larger than the sum of its proper divisors (882953138).

1005342190 is a wasteful number, since it uses less digits than its factorization.

1005342190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371083.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1005342190 is about 31707.1315321963. The cubic root of 1005342190 is about 1001.7775683784. Note that the first 3 decimals are identical.

Adding to 1005342190 its reverse (912435001), we get a palindrome (1917777191).

The spelling of 1005342190 in words is "one billion, five million, three hundred forty-two thousand, one hundred ninety".