133874737 has 2 divisors, whose sum is σ = 133874738. Its totient is φ = 133874736.

The previous prime is 133874731. The next prime is 133874747. The reversal of 133874737 is 737478331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70576801 + 63297936 = 8401^2 + 7956^2 .

It is a cyclic number.

It is not a de Polignac number, because 133874737 - 2³ = 133874729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133874693 and 133874702.

It is not a weakly prime, because it can be changed into another prime (133874731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66937368 + 66937369.

It is an arithmetic number, because the mean of its divisors is an integer number (66937369).

Almost surely, 2^133874737 is an apocalyptic number.

It is an amenable number.

133874737 is a deficient number, since it is larger than the sum of its proper divisors (1).

133874737 is an equidigital number, since it uses as much as digits as its factorization.

133874737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 43.

The square root of 133874737 is about 11570.4251002286. The cubic root of 133874737 is about 511.5634923495.

The spelling of 133874737 in words is "one hundred thirty-three million, eight hundred seventy-four thousand, seven hundred thirty-seven".