1005655130 has 8 divisors (see below), whose sum is σ = 1810179252. Its totient is φ = 402262048.

The previous prime is 1005655073. The next prime is 1005655171. The reversal of 1005655130 is 315565001.

It can be written as a sum of positive squares in 2 ways, for example, as 971631241 + 34023889 = 31171^2 + 5833^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1005655130² = 2022684480990633800, 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 1005655130.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50282747 + ... + 50282766.

Almost surely, 2^1005655130 is an apocalyptic number.

1005655130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005655130 is a deficient number, since it is larger than the sum of its proper divisors (804524122).

1005655130 is a wasteful number, since it uses less digits than its factorization.

1005655130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100565520.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1005655130 is about 31712.0660001836. The cubic root of 1005655130 is about 1001.8815010669.

The spelling of 1005655130 in words is "one billion, five million, six hundred fifty-five thousand, one hundred thirty".