140639069078 has 4 divisors (see below), whose sum is σ = 210958603620. Its totient is φ = 70319534538.

The previous prime is 140639069057. The next prime is 140639069083. The reversal of 140639069078 is 870960936041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×140639069078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35159767268 + ... + 35159767271.

It is an arithmetic number, because the mean of its divisors is an integer number (52739650905).

Almost surely, 2^140639069078 is an apocalyptic number.

140639069078 is a deficient number, since it is larger than the sum of its proper divisors (70319534542).

140639069078 is an equidigital number, since it uses as much as digits as its factorization.

140639069078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70319534541.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 140639069078 in words is "one hundred forty billion, six hundred thirty-nine million, sixty-nine thousand, seventy-eight".