1375121463 has 8 divisors (see below), whose sum is σ = 1833731328. Its totient is φ = 916629624.

The previous prime is 1375121453. The next prime is 1375121533. The reversal of 1375121463 is 3641215731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1375121463 - 2⁶ = 1375121399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375121443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 52512.

It is an arithmetic number, because the mean of its divisors is an integer number (229216416).

Almost surely, 2^1375121463 is an apocalyptic number.

1375121463 is a deficient number, since it is larger than the sum of its proper divisors (458609865).

1375121463 is an equidigital number, since it uses as much as digits as its factorization.

1375121463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59013.

The product of its digits is 15120, while the sum is 33.

The square root of 1375121463 is about 37082.6302060682. The cubic root of 1375121463 is about 1112.0227875077.

It can be divided in two parts, 137 and 5121463, that added together give a triangular number (5121600 = T₃₂₀₀).

The spelling of 1375121463 in words is "one billion, three hundred seventy-five million, one hundred twenty-one thousand, four hundred sixty-three".