39154134056 has 16 divisors (see below), whose sum is σ = 73525076340. Its totient is φ = 19547447040.

The previous prime is 39154134049. The next prime is 39154134077. The reversal of 39154134056 is 65043145193.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37688009956 + 1466124100 = 194134^2 + 38290^2 .

It is a super-2 number, since 2×39154134056² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3696881 + ... + 3707456.

Almost surely, 2^39154134056 is an apocalyptic number.

It is an amenable number.

39154134056 is a deficient number, since it is larger than the sum of its proper divisors (34370942284).

39154134056 is a wasteful number, since it uses less digits than its factorization.

39154134056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7405004 (or 7405000 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 39154134056 in words is "thirty-nine billion, one hundred fifty-four million, one hundred thirty-four thousand, fifty-six".