1400154892 has 12 divisors (see below), whose sum is σ = 2483836936. Its totient is φ = 690487200.

The previous prime is 1400154881. The next prime is 1400154893. The reversal of 1400154892 is 2984510041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1400154893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2397234 + ... + 2397817.

Almost surely, 2^1400154892 is an apocalyptic number.

It is an amenable number.

1400154892 is a deficient number, since it is larger than the sum of its proper divisors (1083682044).

1400154892 is a wasteful number, since it uses less digits than its factorization.

1400154892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795128 (or 4795126 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 1400154892 is about 37418.6436419066. The cubic root of 1400154892 is about 1118.7301967428.

The spelling of 1400154892 in words is "one billion, four hundred million, one hundred fifty-four thousand, eight hundred ninety-two".