1358135668 has 12 divisors (see below), whose sum is σ = 2453406592. Its totient is φ = 657162360.

The previous prime is 1358135651. The next prime is 1358135677. The reversal of 1358135668 is 8665318531.

It is a congruent number.

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, 5476230 + ... + 5476477.

Almost surely, 2^1358135668 is an apocalyptic number.

It is an amenable number.

1358135668 is a deficient number, since it is larger than the sum of its proper divisors (1095270924).

1358135668 is a wasteful number, since it uses less digits than its factorization.

1358135668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10952742 (or 10952740 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 1358135668 is about 36852.8922609881. The cubic root of 1358135668 is about 1107.4251569899.

It can be divided in two parts, 1358 and 135668, that added together give a triangular number (137026 = T₅₂₃).

The spelling of 1358135668 in words is "one billion, three hundred fifty-eight million, one hundred thirty-five thousand, six hundred sixty-eight".