1495136889 has 9 divisors (see below), whose sum is σ = 2159809743. Its totient is φ = 996680592.

The previous prime is 1495136887. The next prime is 1495136947. The reversal of 1495136889 is 9886315941.

The square root of 1495136889 is 38667.

It is a perfect power (a square), and thus also a powerful number.

1495136889 is a `hidden beast` number, since 1 + 49 + 513 + 6 + 8 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 980754489 + 514382400 = 31317^2 + 22680^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1495136889 - 2¹ = 1495136887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1495136887) 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 8 ways as a sum of consecutive naturals, for example, 109557 + ... + 122445.

Almost surely, 2^1495136889 is an apocalyptic number.

1495136889 is the 38667-th square number.

1495136889 is the 19334-th centered octagonal number.

It is an amenable number.

1495136889 is a deficient number, since it is larger than the sum of its proper divisors (664672854).

1495136889 is an frugal number, since it uses more digits than its factorization.

1495136889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25784 (or 12892 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The cubic root of 1495136889 is about 1143.4758204745.

It can be divided in two parts, 1495 and 136889, that added together give a square (138384 = 372²).

The spelling of 1495136889 in words is "one billion, four hundred ninety-five million, one hundred thirty-six thousand, eight hundred eighty-nine".