541242002137 has 4 divisors (see below), whose sum is σ = 541876518820. Its totient is φ = 540607485456.

The previous prime is 541242002131. The next prime is 541242002153. The reversal of 541242002137 is 731200242145.

It is a happy number.

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 178273106176 + 362968895961 = 422224^2 + 602469^2 .

It is a cyclic number.

It is not a de Polignac number, because 541242002137 - 2³¹ = 539094518489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 541242002099 and 541242002108.

It is not an unprimeable number, because it can be changed into a prime (541242002131) 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, 317257062 + ... + 317258767.

It is an arithmetic number, because the mean of its divisors is an integer number (135469129705).

Almost surely, 2^541242002137 is an apocalyptic number.

It is an amenable number.

541242002137 is a deficient number, since it is larger than the sum of its proper divisors (634516683).

541242002137 is an equidigital number, since it uses as much as digits as its factorization.

541242002137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634516682.

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 541242002137 in words is "five hundred forty-one billion, two hundred forty-two million, two thousand, one hundred thirty-seven".