39539145154 has 8 divisors (see below), whose sum is σ = 60755271948. Its totient is φ = 19287387840.

The previous prime is 39539145137. The next prime is 39539145157. The reversal of 39539145154 is 45154193593.

It can be written as a sum of positive squares in 2 ways, for example, as 32355735129 + 7183410025 = 179877^2 + 84755^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 39539145098 and 39539145107.

It is not an unprimeable number, because it can be changed into a prime (39539145157) 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 3 ways as a sum of consecutive naturals, for example, 241092267 + ... + 241092430.

Almost surely, 2^39539145154 is an apocalyptic number.

39539145154 is a deficient number, since it is larger than the sum of its proper divisors (21216126794).

39539145154 is a wasteful number, since it uses less digits than its factorization.

39539145154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482184740.

The product of its digits is 1458000, while the sum is 49.

The spelling of 39539145154 in words is "thirty-nine billion, five hundred thirty-nine million, one hundred forty-five thousand, one hundred fifty-four".