139089413 has 8 divisors (see below), whose sum is σ = 140007000. Its totient is φ = 138175488.

The previous prime is 139089389. The next prime is 139089421. The reversal of 139089413 is 314980931.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6770404 + 132319009 = 2602^2 + 11503^2 .

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 139089413 - 2¹⁴ = 139073029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139085413) 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, 122633 + ... + 123761.

It is an arithmetic number, because the mean of its divisors is an integer number (17500875).

Almost surely, 2^139089413 is an apocalyptic number.

It is an amenable number.

139089413 is a deficient number, since it is larger than the sum of its proper divisors (917587).

139089413 is a wasteful number, since it uses less digits than its factorization.

139089413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 139089413 is about 11793.6174687837. The cubic root of 139089413 is about 518.1211944924.

The spelling of 139089413 in words is "one hundred thirty-nine million, eighty-nine thousand, four hundred thirteen".