139950132794 has 4 divisors (see below), whose sum is σ = 209925199194. Its totient is φ = 69975066396.

The previous prime is 139950132787. The next prime is 139950132827. The reversal of 139950132794 is 497231059931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497231059931 = 23333 ⋅21310207.

It can be written as a sum of positive squares in only one way, i.e., 111612787225 + 28337345569 = 334085^2 + 168337^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34987533197 + ... + 34987533200.

Almost surely, 2^139950132794 is an apocalyptic number.

139950132794 is a deficient number, since it is larger than the sum of its proper divisors (69975066400).

139950132794 is an equidigital number, since it uses as much as digits as its factorization.

139950132794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69975066399.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 139950132794 in words is "one hundred thirty-nine billion, nine hundred fifty million, one hundred thirty-two thousand, seven hundred ninety-four".