1351436603654 has 4 divisors (see below), whose sum is σ = 2027154905484. Its totient is φ = 675718301826.

The previous prime is 1351436603653. The next prime is 1351436603663. The reversal of 1351436603654 is 4563066341531.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1351436603599 and 1351436603608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351436603653) 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, 337859150912 + ... + 337859150915.

It is an arithmetic number, because the mean of its divisors is an integer number (506788726371).

Almost surely, 2^{1351436603654} is an apocalyptic number.

1351436603654 is a deficient number, since it is larger than the sum of its proper divisors (675718301830).

1351436603654 is an equidigital number, since it uses as much as digits as its factorization.

1351436603654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675718301829.

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 1351436603654 in words is "one trillion, three hundred fifty-one billion, four hundred thirty-six million, six hundred three thousand, six hundred fifty-four".