528015040139 has 8 divisors (see below), whose sum is σ = 534292941312. Its totient is φ = 521759284200.

The previous prime is 528015040123. The next prime is 528015040151. The reversal of 528015040139 is 931040510825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 528015040139 - 2⁴ = 528015040123 is a prime.

It is a super-2 number, since 2×528015040139² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528015040159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5488337 + ... + 5583714.

It is an arithmetic number, because the mean of its divisors is an integer number (66786617664).

Almost surely, 2^528015040139 is an apocalyptic number.

528015040139 is a deficient number, since it is larger than the sum of its proper divisors (6277901173).

528015040139 is a wasteful number, since it uses less digits than its factorization.

528015040139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072617.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 528015040139 in words is "five hundred twenty-eight billion, fifteen million, forty thousand, one hundred thirty-nine".