1315201654 has 16 divisors (see below), whose sum is σ = 2128164192. Its totient is φ = 605985408.

The previous prime is 1315201639. The next prime is 1315201661. The reversal of 1315201654 is 4561025131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27234 + ... + 58069.

It is an arithmetic number, because the mean of its divisors is an integer number (133010262).

Almost surely, 2^1315201654 is an apocalyptic number.

1315201654 is a deficient number, since it is larger than the sum of its proper divisors (812962538).

1315201654 is a wasteful number, since it uses less digits than its factorization.

1315201654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85911.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1315201654 is about 36265.7090651762. The cubic root of 1315201654 is about 1095.6305047414.

Adding to 1315201654 its reverse (4561025131), we get a palindrome (5876226785).

The spelling of 1315201654 in words is "one billion, three hundred fifteen million, two hundred one thousand, six hundred fifty-four".