135745221001389 has 32 divisors (see below), whose sum is σ = 188957066833920. Its totient is φ = 86586727507200.

The previous prime is 135745221001373. The next prime is 135745221001391. The reversal of 135745221001389 is 983100122547531.

It is not a de Polignac number, because 135745221001389 - 2⁴ = 135745221001373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135745221001589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18670707 + ... + 24901520.

It is an arithmetic number, because the mean of its divisors is an integer number (5904908338560).

Almost surely, 2^{135745221001389} is an apocalyptic number.

It is an amenable number.

135745221001389 is a deficient number, since it is larger than the sum of its proper divisors (53211845832531).

135745221001389 is a wasteful number, since it uses less digits than its factorization.

135745221001389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43572641.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 135745221001389 in words is "one hundred thirty-five trillion, seven hundred forty-five billion, two hundred twenty-one million, one thousand, three hundred eighty-nine".