1379390154 has 8 divisors (see below), whose sum is σ = 2758780320. Its totient is φ = 459796716.

The previous prime is 1379390153. The next prime is 1379390219. The reversal of 1379390154 is 4510939731.

1379390154 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1379390154 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1379390153) 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, 114949174 + ... + 114949185.

It is an arithmetic number, because the mean of its divisors is an integer number (344847540).

Almost surely, 2^1379390154 is an apocalyptic number.

1379390154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1379390154 is a wasteful number, since it uses less digits than its factorization.

1379390154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229898364.

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 1379390154 is about 37140.1420837347. The cubic root of 1379390154 is about 1113.1722564683.

The spelling of 1379390154 in words is "one billion, three hundred seventy-nine million, three hundred ninety thousand, one hundred fifty-four".