1378960156 has 24 divisors (see below), whose sum is σ = 2814207200. Its totient is φ = 590982336.

The previous prime is 1378960153. The next prime is 1378960159. The reversal of 1378960156 is 6510698731.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1378960153) and next prime (1378960159).

It is a super-2 number, since 2×1378960156² = 3803062223671088672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378960153) 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, 501165 + ... + 503908.

Almost surely, 2^1378960156 is an apocalyptic number.

It is an amenable number.

1378960156 is an abundant number, since it is smaller than the sum of its proper divisors (1435247044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378960156 is a wasteful number, since it uses less digits than its factorization.

1378960156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005098 (or 1005082 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1378960156 is about 37134.3527747556. The cubic root of 1378960156 is about 1113.0565745276.

The spelling of 1378960156 in words is "one billion, three hundred seventy-eight million, nine hundred sixty thousand, one hundred fifty-six".