1375540077 has 8 divisors (see below), whose sum is σ = 1835022816. Its totient is φ = 916542032.

The previous prime is 1375540069. The next prime is 1375540141. The reversal of 1375540077 is 7700455731.

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

It is a cyclic number.

It is not a de Polignac number, because 1375540077 - 2³ = 1375540069 is a prime.

It is a super-2 number, since 2×1375540077² = 3784221006866331858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375540577) 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, 114498 + ... + 125939.

It is an arithmetic number, because the mean of its divisors is an integer number (229377852).

Almost surely, 2^1375540077 is an apocalyptic number.

It is an amenable number.

1375540077 is a deficient number, since it is larger than the sum of its proper divisors (459482739).

1375540077 is a wasteful number, since it uses less digits than its factorization.

1375540077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242347.

The product of its (nonzero) digits is 102900, while the sum is 39.

The square root of 1375540077 is about 37088.2741173002. The cubic root of 1375540077 is about 1112.1356165901.

The spelling of 1375540077 in words is "one billion, three hundred seventy-five million, five hundred forty thousand, seventy-seven".