1026142636 has 12 divisors (see below), whose sum is σ = 1796087160. Its totient is φ = 512974880.

The previous prime is 1026142609. The next prime is 1026142657. The reversal of 1026142636 is 6362416201.

It is a junction number, because it is equal to n+sod(n) for n = 1026142598 and 1026142607.

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, 3291 + ... + 45421.

It is an arithmetic number, because the mean of its divisors is an integer number (149673930).

Almost surely, 2^1026142636 is an apocalyptic number.

It is an amenable number.

1026142636 is a deficient number, since it is larger than the sum of its proper divisors (769944524).

1026142636 is a wasteful number, since it uses less digits than its factorization.

1026142636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48224 (or 48222 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1026142636 is about 32033.4611929464. The cubic root of 1026142636 is about 1008.6393585410.

Adding to 1026142636 its reverse (6362416201), we get a palindrome (7388558837).

The spelling of 1026142636 in words is "one billion, twenty-six million, one hundred forty-two thousand, six hundred thirty-six".