1351664125 has 32 divisors (see below), whose sum is σ = 1946011392. Its totient is φ = 918129600.

The previous prime is 1351664089. The next prime is 1351664147. The reversal of 1351664125 is 5214661531.

It is not a de Polignac number, because 1351664125 - 2⁷ = 1351663997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86407 + ... + 100843.

It is an arithmetic number, because the mean of its divisors is an integer number (60812856).

Almost surely, 2^1351664125 is an apocalyptic number.

It is an amenable number.

1351664125 is a deficient number, since it is larger than the sum of its proper divisors (594347267).

1351664125 is a wasteful number, since it uses less digits than its factorization.

1351664125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14566 (or 14556 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 1351664125 is about 36764.9850401166. The cubic root of 1351664125 is about 1105.6633882270.

The spelling of 1351664125 in words is "one billion, three hundred fifty-one million, six hundred sixty-four thousand, one hundred twenty-five".