137326633 has 2 divisors, whose sum is σ = 137326634. Its totient is φ = 137326632.

The previous prime is 137326627. The next prime is 137326643. The reversal of 137326633 is 336623731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70610409 + 66716224 = 8403^2 + 8168^2 .

It is an emirp because it is prime and its reverse (336623731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137326633 is a prime.

It is a super-2 number, since 2×137326633² = 37717208262233378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (137326643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68663316 + 68663317.

It is an arithmetic number, because the mean of its divisors is an integer number (68663317).

Almost surely, 2^137326633 is an apocalyptic number.

It is an amenable number.

137326633 is a deficient number, since it is larger than the sum of its proper divisors (1).

137326633 is an equidigital number, since it uses as much as digits as its factorization.

137326633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 34.

The square root of 137326633 is about 11718.6446741933. The cubic root of 137326633 is about 515.9230412738.

The spelling of 137326633 in words is "one hundred thirty-seven million, three hundred twenty-six thousand, six hundred thirty-three".