139040699097 has 8 divisors (see below), whose sum is σ = 185390206144. Its totient is φ = 92692495728.

The previous prime is 139040699081. The next prime is 139040699123. The reversal of 139040699097 is 790996040931.

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

It is not a de Polignac number, because 139040699097 - 2⁴ = 139040699081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139040689097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41638 + ... + 528975.

It is an arithmetic number, because the mean of its divisors is an integer number (23173775768).

Almost surely, 2^139040699097 is an apocalyptic number.

It is an amenable number.

139040699097 is a deficient number, since it is larger than the sum of its proper divisors (46349507047).

139040699097 is an equidigital number, since it uses as much as digits as its factorization.

139040699097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651839.

The product of its (nonzero) digits is 3306744, while the sum is 57.

The spelling of 139040699097 in words is "one hundred thirty-nine billion, forty million, six hundred ninety-nine thousand, ninety-seven".