133245767641 has 16 divisors (see below), whose sum is σ = 160341672960. Its totient is φ = 108168512400.

The previous prime is 133245767621. The next prime is 133245767659. The reversal of 133245767641 is 146767542331.

It is not a de Polignac number, because 133245767641 - 2⁷ = 133245767513 is a prime.

It is a super-4 number, since 4×133245767641⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (133245767621) 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, 327066 + ... + 611116.

It is an arithmetic number, because the mean of its divisors is an integer number (10021354560).

Almost surely, 2^133245767641 is an apocalyptic number.

It is an amenable number.

133245767641 is a deficient number, since it is larger than the sum of its proper divisors (27095905319).

133245767641 is a wasteful number, since it uses less digits than its factorization.

133245767641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287604.

The product of its digits is 2540160, while the sum is 49.

The spelling of 133245767641 in words is "one hundred thirty-three billion, two hundred forty-five million, seven hundred sixty-seven thousand, six hundred forty-one".