1400345156 has 96 divisors (see below), whose sum is σ = 3058352640. Its totient is φ = 547835904.

The previous prime is 1400345153. The next prime is 1400345161. The reversal of 1400345156 is 6515430041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1400345153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1811186 + ... + 1811958.

It is an arithmetic number, because the mean of its divisors is an integer number (31857840).

Almost surely, 2^1400345156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400345156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529176320).

1400345156 is an abundant number, since it is smaller than the sum of its proper divisors (1658007484).

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

1400345156 is a wasteful number, since it uses less digits than its factorization.

1400345156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1400345156 is about 37421.1859245535. The cubic root of 1400345156 is about 1118.7808683846.

Adding to 1400345156 its reverse (6515430041), we get a palindrome (7915775197).

The spelling of 1400345156 in words is "one billion, four hundred million, three hundred forty-five thousand, one hundred fifty-six".