1375747077 has 8 divisors (see below), whose sum is σ = 1836012064. Its totient is φ = 916323408.

The previous prime is 1375747069. The next prime is 1375747081. The reversal of 1375747077 is 7707475731.

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

It is not a de Polignac number, because 1375747077 - 2³ = 1375747069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375747007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206503 + ... + 213060.

It is an arithmetic number, because the mean of its divisors is an integer number (229501508).

Almost surely, 2^1375747077 is an apocalyptic number.

It is an amenable number.

1375747077 is a deficient number, since it is larger than the sum of its proper divisors (460264987).

1375747077 is a wasteful number, since it uses less digits than its factorization.

1375747077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420659.

The product of its (nonzero) digits is 1008420, while the sum is 48.

The square root of 1375747077 is about 37091.0646517460. The cubic root of 1375747077 is about 1112.1914008670.

The spelling of 1375747077 in words is "one billion, three hundred seventy-five million, seven hundred forty-seven thousand, seventy-seven".