137428763 has 2 divisors, whose sum is σ = 137428764. Its totient is φ = 137428762.

The previous prime is 137428747. The next prime is 137428769. The reversal of 137428763 is 367824731.

It is a strong prime.

It is an emirp because it is prime and its reverse (367824731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137428763 - 2⁴ = 137428747 is a prime.

It is a super-4 number, since 4×137428763⁴ (a number of 34 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137428763.

It is not a weakly prime, because it can be changed into another prime (137428769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68714381 + 68714382.

It is an arithmetic number, because the mean of its divisors is an integer number (68714382).

Almost surely, 2^137428763 is an apocalyptic number.

137428763 is a deficient number, since it is larger than the sum of its proper divisors (1).

137428763 is an equidigital number, since it uses as much as digits as its factorization.

137428763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 137428763 is about 11723.0014501407. The cubic root of 137428763 is about 516.0509071322.

The spelling of 137428763 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, seven hundred sixty-three".