1466790137 has 4 divisors (see below), whose sum is σ = 1471506816. Its totient is φ = 1462073460.

The previous prime is 1466790119. The next prime is 1466790163. The reversal of 1466790137 is 7310976641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7310976641 = 137 ⋅53364793.

It is a cyclic number.

It is not a de Polignac number, because 1466790137 - 2²⁰ = 1465741561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1466793137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357873 + ... + 2358494.

It is an arithmetic number, because the mean of its divisors is an integer number (367876704).

Almost surely, 2^1466790137 is an apocalyptic number.

It is an amenable number.

1466790137 is a deficient number, since it is larger than the sum of its proper divisors (4716679).

1466790137 is an equidigital number, since it uses as much as digits as its factorization.

1466790137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716678.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 1466790137 is about 38298.6962832940. The cubic root of 1466790137 is about 1136.2031622794.

The spelling of 1466790137 in words is "one billion, four hundred sixty-six million, seven hundred ninety thousand, one hundred thirty-seven".