39142153561 has 16 divisors (see below), whose sum is σ = 45125017600. Its totient is φ = 33258321360.

The previous prime is 39142153543. The next prime is 39142153573. The reversal of 39142153561 is 16535124193.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39142153561 - 2⁷ = 39142153433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39142153541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325660 + ... + 429346.

It is an arithmetic number, because the mean of its divisors is an integer number (2820313600).

Almost surely, 2^39142153561 is an apocalyptic number.

It is an amenable number.

39142153561 is a deficient number, since it is larger than the sum of its proper divisors (5982864039).

39142153561 is a wasteful number, since it uses less digits than its factorization.

39142153561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104164.

The product of its digits is 97200, while the sum is 40.

The spelling of 39142153561 in words is "thirty-nine billion, one hundred forty-two million, one hundred fifty-three thousand, five hundred sixty-one".