1400423541 has 8 divisors (see below), whose sum is σ = 2036979744. Its totient is φ = 848741520.

The previous prime is 1400423537. The next prime is 1400423573. The reversal of 1400423541 is 1453240041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400423541 - 2² = 1400423537 is a prime.

It is a super-2 number, since 2×1400423541² = 3922372188373957362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400423341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21218506 + ... + 21218571.

It is an arithmetic number, because the mean of its divisors is an integer number (254622468).

Almost surely, 2^1400423541 is an apocalyptic number.

1400423541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1400423541 is a deficient number, since it is larger than the sum of its proper divisors (636556203).

1400423541 is a wasteful number, since it uses less digits than its factorization.

1400423541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42437091.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1400423541 is about 37422.2332444230. The cubic root of 1400423541 is about 1118.8017427625.

Adding to 1400423541 its reverse (1453240041), we get a palindrome (2853663582).

The spelling of 1400423541 in words is "one billion, four hundred million, four hundred twenty-three thousand, five hundred forty-one".