1026142635 has 32 divisors (see below), whose sum is σ = 1880202240. Its totient is φ = 468137088.

The previous prime is 1026142609. The next prime is 1026142657. The reversal of 1026142635 is 5362416201.

It is not a de Polignac number, because 1026142635 - 2¹⁶ = 1026077099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43101 + ... + 62529.

It is an arithmetic number, because the mean of its divisors is an integer number (58756320).

Almost surely, 2^1026142635 is an apocalyptic number.

1026142635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1026142635 is a deficient number, since it is larger than the sum of its proper divisors (854059605).

1026142635 is a wasteful number, since it uses less digits than its factorization.

1026142635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19947.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1026142635 is about 32033.4611773377. The cubic root of 1026142635 is about 1008.6393582134.

Adding to 1026142635 its reverse (5362416201), we get a palindrome (6388558836).

The spelling of 1026142635 in words is "one billion, twenty-six million, one hundred forty-two thousand, six hundred thirty-five".