1333890137 has 4 divisors (see below), whose sum is σ = 1334058000. Its totient is φ = 1333722276.

The previous prime is 1333890109. The next prime is 1333890161. The reversal of 1333890137 is 7310983331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1333890137 - 2⁶ = 1333890073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1333890137.

It is not an unprimeable number, because it can be changed into a prime (1333890197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71387 + ... + 88112.

It is an arithmetic number, because the mean of its divisors is an integer number (333514500).

Almost surely, 2^1333890137 is an apocalyptic number.

It is an amenable number.

1333890137 is a deficient number, since it is larger than the sum of its proper divisors (167863).

1333890137 is an equidigital number, since it uses as much as digits as its factorization.

1333890137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167862.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1333890137 is about 36522.4607193984. The cubic root of 1333890137 is about 1100.7956054094.

The spelling of 1333890137 in words is "one billion, three hundred thirty-three million, eight hundred ninety thousand, one hundred thirty-seven".