146139547241 has 8 divisors (see below), whose sum is σ = 153749980104. Its totient is φ = 138721783680.

The previous prime is 146139547237. The next prime is 146139547247. The reversal of 146139547241 is 142745931641.

It can be written as a sum of positive squares in 4 ways, for example, as 8055960025 + 138083587216 = 89755^2 + 371596^2 .

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 146139547241 - 2² = 146139547237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146139547247) 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, 48165770 + ... + 48168803.

It is an arithmetic number, because the mean of its divisors is an integer number (19218747513).

Almost surely, 2^146139547241 is an apocalyptic number.

It is an amenable number.

146139547241 is a deficient number, since it is larger than the sum of its proper divisors (7610432863).

146139547241 is an equidigital number, since it uses as much as digits as its factorization.

146139547241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96334651.

The product of its digits is 725760, while the sum is 47.

The spelling of 146139547241 in words is "one hundred forty-six billion, one hundred thirty-nine million, five hundred forty-seven thousand, two hundred forty-one".