133723427641 has 16 divisors (see below), whose sum is σ = 144787752000. Its totient is φ = 123072239808.

The previous prime is 133723427627. The next prime is 133723427657. The reversal of 133723427641 is 146724327331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 133723427641 - 2¹⁷ = 133723296569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133723427141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313410 + ... + 604708.

It is an arithmetic number, because the mean of its divisors is an integer number (9049234500).

Almost surely, 2^133723427641 is an apocalyptic number.

It is an amenable number.

133723427641 is a deficient number, since it is larger than the sum of its proper divisors (11064324359).

133723427641 is a wasteful number, since it uses less digits than its factorization.

133723427641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292008.

The product of its digits is 508032, while the sum is 43.

The spelling of 133723427641 in words is "one hundred thirty-three billion, seven hundred twenty-three million, four hundred twenty-seven thousand, six hundred forty-one".