1314378157 has 8 divisors (see below), whose sum is σ = 1318908096. Its totient is φ = 1309856352.

The previous prime is 1314378139. The next prime is 1314378173. The reversal of 1314378157 is 7518734131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1314378157 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 (1314378127) 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, 541248 + ... + 543670.

It is an arithmetic number, because the mean of its divisors is an integer number (164863512).

Almost surely, 2^1314378157 is an apocalyptic number.

It is an amenable number.

1314378157 is a deficient number, since it is larger than the sum of its proper divisors (4529939).

1314378157 is a wasteful number, since it uses less digits than its factorization.

1314378157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067.

The product of its digits is 70560, while the sum is 40.

The square root of 1314378157 is about 36254.3536282196. The cubic root of 1314378157 is about 1095.4017852375.

The spelling of 1314378157 in words is "one billion, three hundred fourteen million, three hundred seventy-eight thousand, one hundred fifty-seven".