139025901 has 8 divisors (see below), whose sum is σ = 211849024. Its totient is φ = 79443360.

The previous prime is 139025879. The next prime is 139025927. The reversal of 139025901 is 109520931.

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

It is not a de Polignac number, because 139025901 - 2⁷ = 139025773 is a prime.

It is a super-2 number, since 2×139025901² = 38656402297723602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139025941) 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, 3310120 + ... + 3310161.

It is an arithmetic number, because the mean of its divisors is an integer number (26481128).

Almost surely, 2^139025901 is an apocalyptic number.

It is an amenable number.

139025901 is a deficient number, since it is larger than the sum of its proper divisors (72823123).

139025901 is an equidigital number, since it uses as much as digits as its factorization.

139025901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620291.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 139025901 is about 11790.9245184591. The cubic root of 139025901 is about 518.0423197537.

The spelling of 139025901 in words is "one hundred thirty-nine million, twenty-five thousand, nine hundred one".