1356541042 has 16 divisors (see below), whose sum is σ = 2101616280. Its totient is φ = 656353152.

The previous prime is 1356541009. The next prime is 1356541049. The reversal of 1356541042 is 2401456531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1140480441 + 216060601 = 33771^2 + 14699^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1356540995 and 1356541013.

It is not an unprimeable number, because it can be changed into a prime (1356541049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79917 + ... + 95392.

Almost surely, 2^1356541042 is an apocalyptic number.

1356541042 is a deficient number, since it is larger than the sum of its proper divisors (745075238).

1356541042 is a wasteful number, since it uses less digits than its factorization.

1356541042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175437.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1356541042 is about 36831.2508883421. The cubic root of 1356541042 is about 1106.9915673803.

Adding to 1356541042 its reverse (2401456531), we get a palindrome (3757997573).

The spelling of 1356541042 in words is "one billion, three hundred fifty-six million, five hundred forty-one thousand, forty-two".