1356542043 has 8 divisors (see below), whose sum is σ = 1809258000. Its totient is φ = 904093728.

The previous prime is 1356542023. The next prime is 1356542053. The reversal of 1356542043 is 3402456531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1356542043 - 2²¹ = 1354444891 is a prime.

It is a super-2 number, since 2×1356542043² = 3680412628853227698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1356541995 and 1356542013.

It is not an unprimeable number, because it can be changed into a prime (1356542023) 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, 54768 + ... + 75581.

It is an arithmetic number, because the mean of its divisors is an integer number (226157250).

Almost surely, 2^1356542043 is an apocalyptic number.

1356542043 is a deficient number, since it is larger than the sum of its proper divisors (452715957).

1356542043 is a wasteful number, since it uses less digits than its factorization.

1356542043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133821.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 1356542043 is about 36831.2644773432. The cubic root of 1356542043 is about 1106.9918396655.

Adding to 1356542043 its reverse (3402456531), we get a palindrome (4758998574).

The spelling of 1356542043 in words is "one billion, three hundred fifty-six million, five hundred forty-two thousand, forty-three".