13541534002 has 4 divisors (see below), whose sum is σ = 20312301006. Its totient is φ = 6770767000.

The previous prime is 13541533979. The next prime is 13541534003. The reversal of 13541534002 is 20043514531.

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

It can be written as a sum of positive squares in only one way, i.e., 12374560081 + 1166973921 = 111241^2 + 34161^2 .

It is not an unprimeable number, because it can be changed into a prime (13541534003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385383499 + ... + 3385383502.

Almost surely, 2^13541534002 is an apocalyptic number.

13541534002 is a deficient number, since it is larger than the sum of its proper divisors (6770767004).

13541534002 is an equidigital number, since it uses as much as digits as its factorization.

13541534002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6770767003.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 13541534002 in words is "thirteen billion, five hundred forty-one million, five hundred thirty-four thousand, two".