1358396528749 has 16 divisors (see below), whose sum is σ = 1466451866880. Its totient is φ = 1250853949440.

The previous prime is 1358396528729. The next prime is 1358396528779. The reversal of 1358396528749 is 9478256938531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1358396528749 - 2³⁵ = 1324036790381 is a prime.

It is a super-2 number, since 2×1358396528749² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1358396528729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8790744 + ... + 8943934.

It is an arithmetic number, because the mean of its divisors is an integer number (91653241680).

Almost surely, 2^{1358396528749} is an apocalyptic number.

It is an amenable number.

1358396528749 is a deficient number, since it is larger than the sum of its proper divisors (108055338131).

1358396528749 is a wasteful number, since it uses less digits than its factorization.

1358396528749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154860.

The product of its digits is 391910400, while the sum is 70.

The spelling of 1358396528749 in words is "one trillion, three hundred fifty-eight billion, three hundred ninety-six million, five hundred twenty-eight thousand, seven hundred forty-nine".