147065037521 has 4 divisors (see below), whose sum is σ = 148439477232. Its totient is φ = 145690597812.

The previous prime is 147065037463. The next prime is 147065037593. The reversal of 147065037521 is 125730560741.

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 147065037521 - 2³⁴ = 129885168337 is a prime.

It is a super-2 number, since 2×147065037521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147065037421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687219695 + ... + 687219908.

It is an arithmetic number, because the mean of its divisors is an integer number (37109869308).

Almost surely, 2^147065037521 is an apocalyptic number.

It is an amenable number.

147065037521 is a deficient number, since it is larger than the sum of its proper divisors (1374439711).

147065037521 is a wasteful number, since it uses less digits than its factorization.

147065037521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374439710.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 147065037521 in words is "one hundred forty-seven billion, sixty-five million, thirty-seven thousand, five hundred twenty-one".