1358330749 has 4 divisors (see below), whose sum is σ = 1377462240. Its totient is φ = 1339199260.

The previous prime is 1358330723. The next prime is 1358330759. The reversal of 1358330749 is 9470338531.

It is a happy number.

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 1358330749 - 2²⁵ = 1324776317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358330759) 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, 9565639 + ... + 9565780.

It is an arithmetic number, because the mean of its divisors is an integer number (344365560).

Almost surely, 2^1358330749 is an apocalyptic number.

It is an amenable number.

1358330749 is a deficient number, since it is larger than the sum of its proper divisors (19131491).

1358330749 is an equidigital number, since it uses as much as digits as its factorization.

1358330749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19131490.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 1358330749 is about 36855.5389188654. The cubic root of 1358330749 is about 1107.4781775310.

The spelling of 1358330749 in words is "one billion, three hundred fifty-eight million, three hundred thirty thousand, seven hundred forty-nine".