1356054137 has 2 divisors, whose sum is σ = 1356054138. Its totient is φ = 1356054136.

The previous prime is 1356054109. The next prime is 1356054143. The reversal of 1356054137 is 7314506531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815445136 + 540609001 = 28556^2 + 23251^2 .

It is an emirp because it is prime and its reverse (7314506531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1356054137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1356054097 and 1356054106.

It is not a weakly prime, because it can be changed into another prime (1356054157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678027068 + 678027069.

It is an arithmetic number, because the mean of its divisors is an integer number (678027069).

Almost surely, 2^1356054137 is an apocalyptic number.

It is an amenable number.

1356054137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356054137 is an equidigital number, since it uses as much as digits as its factorization.

1356054137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 1356054137 is about 36824.6403512648. The cubic root of 1356054137 is about 1106.8591069010.

The spelling of 1356054137 in words is "one billion, three hundred fifty-six million, fifty-four thousand, one hundred thirty-seven".