139329754 has 4 divisors (see below), whose sum is σ = 208994634. Its totient is φ = 69664876.

The previous prime is 139329737. The next prime is 139329763. The reversal of 139329754 is 457923931.

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

It can be written as a sum of positive squares in only one way, i.e., 138697729 + 632025 = 11777^2 + 795^2 .

It is a super-3 number, since 3×139329754³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 139329754.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34832437 + ... + 34832440.

Almost surely, 2^139329754 is an apocalyptic number.

139329754 is a deficient number, since it is larger than the sum of its proper divisors (69664880).

139329754 is an equidigital number, since it uses as much as digits as its factorization.

139329754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69664879.

The product of its digits is 204120, while the sum is 43.

The square root of 139329754 is about 11803.8025229161. The cubic root of 139329754 is about 518.4194537365.

The spelling of 139329754 in words is "one hundred thirty-nine million, three hundred twenty-nine thousand, seven hundred fifty-four".