139936479801 has 16 divisors (see below), whose sum is σ = 188467750080. Its totient is φ = 92348475200.

The previous prime is 139936479791. The next prime is 139936479811. The reversal of 139936479801 is 108974639931.

It is an interprime number because it is at equal distance from previous prime (139936479791) and next prime (139936479811).

It is a cyclic number.

It is not a de Polignac number, because 139936479801 - 2⁵ = 139936479769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139936479811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527766 + ... + 1616768.

It is an arithmetic number, because the mean of its divisors is an integer number (11779234380).

Almost surely, 2^139936479801 is an apocalyptic number.

It is an amenable number.

139936479801 is a deficient number, since it is larger than the sum of its proper divisors (48531270279).

139936479801 is a wasteful number, since it uses less digits than its factorization.

139936479801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94296.

The product of its (nonzero) digits is 8817984, while the sum is 60.

The spelling of 139936479801 in words is "one hundred thirty-nine billion, nine hundred thirty-six million, four hundred seventy-nine thousand, eight hundred one".