1400001354 has 64 divisors (see below), whose sum is σ = 3224448000. Its totient is φ = 449789760.

The previous prime is 1400001331. The next prime is 1400001371. The reversal of 1400001354 is 4531000041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448752 + ... + 451860.

It is an arithmetic number, because the mean of its divisors is an integer number (50382000).

Almost surely, 2^1400001354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400001354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612224000).

1400001354 is an abundant number, since it is smaller than the sum of its proper divisors (1824446646).

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

1400001354 is a wasteful number, since it uses less digits than its factorization.

1400001354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420 (or 3414 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1400001354 is about 37416.5919613211. The cubic root of 1400001354 is about 1118.6893027253.

Adding to 1400001354 its reverse (4531000041), we get a palindrome (5931001395).

The spelling of 1400001354 in words is "one billion, four hundred million, one thousand, three hundred fifty-four".