139458276425 has 48 divisors (see below), whose sum is σ = 197357212080. Its totient is φ = 96842096640.

The previous prime is 139458276421. The next prime is 139458276427. The reversal of 139458276425 is 524672854931.

It can be written as a sum of positive squares in 24 ways, for example, as 135229765696 + 4228510729 = 367736^2 + 65027^2 .

It is not a de Polignac number, because 139458276425 - 2² = 139458276421 is a prime.

It is a super-2 number, since 2×139458276425² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139458276421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6691421 + ... + 6712229.

It is an arithmetic number, because the mean of its divisors is an integer number (4111608585).

Almost surely, 2^139458276425 is an apocalyptic number.

It is an amenable number.

139458276425 is a deficient number, since it is larger than the sum of its proper divisors (57898935655).

139458276425 is a wasteful number, since it uses less digits than its factorization.

139458276425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22062 (or 22057 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 56.

The spelling of 139458276425 in words is "one hundred thirty-nine billion, four hundred fifty-eight million, two hundred seventy-six thousand, four hundred twenty-five".