1354144140 has 36 divisors (see below), whose sum is σ = 4107571104. Its totient is φ = 361105056.

The previous prime is 1354144123. The next prime is 1354144189. The reversal of 1354144140 is 414414531.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3761332 + ... + 3761691.

Almost surely, 2^1354144140 is an apocalyptic number.

1354144140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354144140 is an abundant number, since it is smaller than the sum of its proper divisors (2753426964).

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

1354144140 is a wasteful number, since it uses less digits than its factorization.

1354144140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523038 (or 7523033 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1354144140 is about 36798.6975312986. The cubic root of 1354144140 is about 1106.3391938042.

Adding to 1354144140 its reverse (414414531), we get a palindrome (1768558671).

The spelling of 1354144140 in words is "one billion, three hundred fifty-four million, one hundred forty-four thousand, one hundred forty".