1356059042 has 18 divisors (see below), whose sum is σ = 2203693137. Its totient is φ = 625560936.

The previous prime is 1356059039. The next prime is 1356059069. The reversal of 1356059042 is 2409506531.

It can be written as a sum of positive squares in 2 ways, for example, as 1159470601 + 196588441 = 34051^2 + 14021^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=26039.

It is a super-2 number, since 2×1356059042² = 3677792250779915528, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1356058993 and 1356059011.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 676013 + ... + 678015.

Almost surely, 2^1356059042 is an apocalyptic number.

1356059042 is a deficient number, since it is larger than the sum of its proper divisors (847634095).

1356059042 is an frugal number, since it uses more digits than its factorization.

1356059042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1356059042 is about 36824.7069506330. The cubic root of 1356059042 is about 1106.8604414439.

The spelling of 1356059042 in words is "one billion, three hundred fifty-six million, fifty-nine thousand, forty-two".