139452835968 has 96 divisors (see below), whose sum is σ = 403846573260. Its totient is φ = 46188140544.

The previous prime is 139452835967. The next prime is 139452835969. The reversal of 139452835968 is 869538254931.

139452835968 is a `hidden beast` number, since 1 + 39 + 4 + 5 + 2 + 8 + 3 + 596 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (139452835967) and next prime (139452835969).

It can be written as a sum of positive squares in 2 ways, for example, as 136657387584 + 2795448384 = 369672^2 + 52872^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (139452835967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204655 + ... + 566382.

Almost surely, 2^139452835968 is an apocalyptic number.

139452835968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139452835968 is an abundant number, since it is smaller than the sum of its proper divisors (264393737292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139452835968 is a wasteful number, since it uses less digits than its factorization.

139452835968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771214 (or 771199 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 139452835968 in words is "one hundred thirty-nine billion, four hundred fifty-two million, eight hundred thirty-five thousand, nine hundred sixty-eight".