1344686154 has 32 divisors (see below), whose sum is σ = 3110607360. Its totient is φ = 379566192.

The previous prime is 1344686141. The next prime is 1344686197. The reversal of 1344686154 is 4516864431.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189384 + ... + 196355.

It is an arithmetic number, because the mean of its divisors is an integer number (97206480).

Almost surely, 2^1344686154 is an apocalyptic number.

1344686154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1344686154 is an abundant number, since it is smaller than the sum of its proper divisors (1765921206).

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

1344686154 is a wasteful number, since it uses less digits than its factorization.

1344686154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385834.

The product of its digits is 276480, while the sum is 42.

The square root of 1344686154 is about 36669.9625579302. The cubic root of 1344686154 is about 1103.7574408697.

The spelling of 1344686154 in words is "one billion, three hundred forty-four million, six hundred eighty-six thousand, one hundred fifty-four".