1358149 has 4 divisors (see below), whose sum is σ = 1462636. Its totient is φ = 1253664.

The previous prime is 1358143. The next prime is 1358153. The reversal of 1358149 is 9418531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 893025 + 465124 = 945^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1358149 - 2¹¹ = 1356101 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 1358149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358143) 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, 52224 + ... + 52249.

It is an arithmetic number, because the mean of its divisors is an integer number (365659).

2^1358149 is an apocalyptic number.

It is an amenable number.

1358149 is a deficient number, since it is larger than the sum of its proper divisors (104487).

1358149 is a wasteful number, since it uses less digits than its factorization.

1358149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104486.

The product of its digits is 4320, while the sum is 31.

The square root of 1358149 is about 1165.3964990509. The cubic root of 1358149 is about 110.7428780620.

The spelling of 1358149 in words is "one million, three hundred fifty-eight thousand, one hundred forty-nine".