1400009355 has 12 divisors (see below), whose sum is σ = 2426682960. Its totient is φ = 746671632.

The previous prime is 1400009339. The next prime is 1400009371. The reversal of 1400009355 is 5539000041.

1400009355 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1400009339) and next prime (1400009371).

It is not a de Polignac number, because 1400009355 - 2⁴ = 1400009339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15555615 + ... + 15555704.

It is an arithmetic number, because the mean of its divisors is an integer number (202223580).

Almost surely, 2^1400009355 is an apocalyptic number.

1400009355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1400009355 is a deficient number, since it is larger than the sum of its proper divisors (1026673605).

1400009355 is a wasteful number, since it uses less digits than its factorization.

1400009355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31111330 (or 31111327 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 1400009355 is about 37416.6988789765. The cubic root of 1400009355 is about 1118.6914338223.

Adding to 1400009355 its reverse (5539000041), we get a palindrome (6939009396).

The spelling of 1400009355 in words is "one billion, four hundred million, nine thousand, three hundred fifty-five".