1402641243 has 24 divisors (see below), whose sum is σ = 2059691088. Its totient is φ = 919683072.

The previous prime is 1402641239. The next prime is 1402641271. The reversal of 1402641243 is 3421462041.

It is a happy number.

1402641243 is a `hidden beast` number, since 14 + 0 + 2 + 641 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 1402641243 - 2² = 1402641239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1402645243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137371 + ... + 147227.

It is an arithmetic number, because the mean of its divisors is an integer number (85820462).

Almost surely, 2^1402641243 is an apocalyptic number.

1402641243 is a deficient number, since it is larger than the sum of its proper divisors (657049845).

1402641243 is a wasteful number, since it uses less digits than its factorization.

1402641243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123 (or 10120 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 1402641243 is about 37451.8523306925. The cubic root of 1402641243 is about 1119.3920071170.

The spelling of 1402641243 in words is "one billion, four hundred two million, six hundred forty-one thousand, two hundred forty-three".