1371707378 has 8 divisors (see below), whose sum is σ = 2057982960. Its totient is φ = 685713060.

The previous prime is 1371707377. The next prime is 1371707423. The reversal of 1371707378 is 8737071731.

It is a happy number.

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

It is a super-2 number, since 2×1371707378² = 3763162261719269768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1371707371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57668 + ... + 77903.

It is an arithmetic number, because the mean of its divisors is an integer number (257247870).

Almost surely, 2^1371707378 is an apocalyptic number.

1371707378 is a deficient number, since it is larger than the sum of its proper divisors (686275582).

1371707378 is a wasteful number, since it uses less digits than its factorization.

1371707378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140632.

The product of its (nonzero) digits is 172872, while the sum is 44.

The square root of 1371707378 is about 37036.5681185501. The cubic root of 1371707378 is about 1111.1017327216.

The spelling of 1371707378 in words is "one billion, three hundred seventy-one million, seven hundred seven thousand, three hundred seventy-eight".