139089401 has 8 divisors (see below), whose sum is σ = 155835264. Its totient is φ = 123027120.

The previous prime is 139089389. The next prime is 139089421. The reversal of 139089401 is 104980931.

139089401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 139089401 - 2¹⁴ = 139073017 is a prime.

It is a super-2 number, since 2×139089401² = 38691722941077602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139089421) 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, 170465 + ... + 171278.

It is an arithmetic number, because the mean of its divisors is an integer number (19479408).

Almost surely, 2^139089401 is an apocalyptic number.

139089401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

139089401 is a deficient number, since it is larger than the sum of its proper divisors (16745863).

139089401 is a wasteful number, since it uses less digits than its factorization.

139089401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341791.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 139089401 is about 11793.6169600339. The cubic root of 139089401 is about 518.1211795920.

The spelling of 139089401 in words is "one hundred thirty-nine million, eighty-nine thousand, four hundred one".