1340079154 has 32 divisors (see below), whose sum is σ = 2124144000. Its totient is φ = 633126144.

The previous prime is 1340079151. The next prime is 1340079173. The reversal of 1340079154 is 4519700431.

It is not an unprimeable number, because it can be changed into a prime (1340079151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899242 + ... + 900730.

It is an arithmetic number, because the mean of its divisors is an integer number (66379500).

Almost surely, 2^1340079154 is an apocalyptic number.

1340079154 is a deficient number, since it is larger than the sum of its proper divisors (784064846).

1340079154 is a wasteful number, since it uses less digits than its factorization.

1340079154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1340079154 is about 36607.0915807306. The cubic root of 1340079154 is about 1102.4954787857.

Adding to 1340079154 its reverse (4519700431), we get a palindrome (5859779585).

The spelling of 1340079154 in words is "one billion, three hundred forty million, seventy-nine thousand, one hundred fifty-four".