134240251402 has 4 divisors (see below), whose sum is σ = 201360377106. Its totient is φ = 67120125700.

The previous prime is 134240251381. The next prime is 134240251403. The reversal of 134240251402 is 204152042431.

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., 134110496521 + 129754881 = 366211^2 + 11391^2 .

It is not an unprimeable number, because it can be changed into a prime (134240251403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33560062849 + ... + 33560062852.

Almost surely, 2^134240251402 is an apocalyptic number.

134240251402 is a deficient number, since it is larger than the sum of its proper divisors (67120125704).

134240251402 is an equidigital number, since it uses as much as digits as its factorization.

134240251402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67120125703.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 134240251402 its reverse (204152042431), we get a palindrome (338392293833).

The spelling of 134240251402 in words is "one hundred thirty-four billion, two hundred forty million, two hundred fifty-one thousand, four hundred two".