1459490381 has 4 divisors (see below), whose sum is σ = 1459567200. Its totient is φ = 1459413564.

The previous prime is 1459490353. The next prime is 1459490399. The reversal of 1459490381 is 1830949541.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1830949541 = 241 ⋅7597301.

It is a cyclic number.

It is not a de Polignac number, because 1459490381 - 2⁶ = 1459490317 is a prime.

It is a super-2 number, since 2×1459490381² = 4260224344463050322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1459490311) 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, 13250 + ... + 55628.

It is an arithmetic number, because the mean of its divisors is an integer number (364891800).

Almost surely, 2^1459490381 is an apocalyptic number.

It is an amenable number.

1459490381 is a deficient number, since it is larger than the sum of its proper divisors (76819).

1459490381 is an equidigital number, since it uses as much as digits as its factorization.

1459490381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76818.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 1459490381 is about 38203.2770976522. The cubic root of 1459490381 is about 1134.3151841925.

The spelling of 1459490381 in words is "one billion, four hundred fifty-nine million, four hundred ninety thousand, three hundred eighty-one".