1431745716 has 48 divisors (see below), whose sum is σ = 3429607104. Its totient is φ = 464626176.

The previous prime is 1431745709. The next prime is 1431745717. The reversal of 1431745716 is 6175471341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431745717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159196 + ... + 167948.

It is an arithmetic number, because the mean of its divisors is an integer number (71450148).

Almost surely, 2^1431745716 is an apocalyptic number.

It is an amenable number.

1431745716 is an abundant number, since it is smaller than the sum of its proper divisors (1997861388).

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

1431745716 is a wasteful number, since it uses less digits than its factorization.

1431745716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120 (or 9118 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 1431745716 is about 37838.4158759322. The cubic root of 1431745716 is about 1127.0814380734.

The spelling of 1431745716 in words is "one billion, four hundred thirty-one million, seven hundred forty-five thousand, seven hundred sixteen".