1351544164 has 18 divisors (see below), whose sum is σ = 2388463350. Its totient is φ = 669190176.

The previous prime is 1351544099. The next prime is 1351544189. The reversal of 1351544164 is 4614451531.

It can be written as a sum of positive squares in only one way, i.e., 1155320100 + 196224064 = 33990^2 + 14008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26512 + ... + 58360.

Almost surely, 2^1351544164 is an apocalyptic number.

It is an amenable number.

1351544164 is a deficient number, since it is larger than the sum of its proper divisors (1036919186).

1351544164 is a wasteful number, since it uses less digits than its factorization.

1351544164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32059 (or 31954 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 1351544164 is about 36763.3535467046. The cubic root of 1351544164 is about 1105.6306778302.

Adding to 1351544164 its reverse (4614451531), we get a palindrome (5965995695).

The spelling of 1351544164 in words is "one billion, three hundred fifty-one million, five hundred forty-four thousand, one hundred sixty-four".