139290801 has 8 divisors (see below), whose sum is σ = 200007360. Its totient is φ = 85717392.

The previous prime is 139290793. The next prime is 139290839. The reversal of 139290801 is 108092931.

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

It is not a de Polignac number, because 139290801 - 2³ = 139290793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139290841) 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, 1785741 + ... + 1785818.

It is an arithmetic number, because the mean of its divisors is an integer number (25000920).

Almost surely, 2^139290801 is an apocalyptic number.

It is an amenable number.

139290801 is a deficient number, since it is larger than the sum of its proper divisors (60716559).

139290801 is a wasteful number, since it uses less digits than its factorization.

139290801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571575.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 139290801 is about 11802.1523884417. The cubic root of 139290801 is about 518.3711370045.

The spelling of 139290801 in words is "one hundred thirty-nine million, two hundred ninety thousand, eight hundred one".