1354666401 has 24 divisors (see below), whose sum is σ = 2156647584. Its totient is φ = 812540160.

The previous prime is 1354666387. The next prime is 1354666409. The reversal of 1354666401 is 1046664531.

It is a happy number.

It is not a de Polignac number, because 1354666401 - 2⁶ = 1354666337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1354666409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60931 + ... + 80136.

It is an arithmetic number, because the mean of its divisors is an integer number (89860316).

Almost surely, 2^1354666401 is an apocalyptic number.

1354666401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1354666401 is a deficient number, since it is larger than the sum of its proper divisors (801981183).

1354666401 is a wasteful number, since it uses less digits than its factorization.

1354666401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141181 (or 141178 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1354666401 is about 36805.7930358796. The cubic root of 1354666401 is about 1106.4814050435.

The spelling of 1354666401 in words is "one billion, three hundred fifty-four million, six hundred sixty-six thousand, four hundred one".