137645305001 has 4 divisors (see below), whose sum is σ = 141002507604. Its totient is φ = 134288102400.

The previous prime is 137645304959. The next prime is 137645305019. The reversal of 137645305001 is 100503546731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2459664025 + 135185640976 = 49595^2 + 367676^2 .

It is a cyclic number.

It is not a de Polignac number, because 137645305001 - 2³⁴ = 120465435817 is a prime.

It is a super-2 number, since 2×137645305001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137645305051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1678601240 + ... + 1678601321.

It is an arithmetic number, because the mean of its divisors is an integer number (35250626901).

Almost surely, 2^137645305001 is an apocalyptic number.

It is an amenable number.

137645305001 is a deficient number, since it is larger than the sum of its proper divisors (3357202603).

137645305001 is an equidigital number, since it uses as much as digits as its factorization.

137645305001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357202602.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 137645305001 in words is "one hundred thirty-seven billion, six hundred forty-five million, three hundred five thousand, one".