1461707157 has 8 divisors (see below), whose sum is σ = 1949134176. Its totient is φ = 974375792.

The previous prime is 1461707129. The next prime is 1461707167. The reversal of 1461707157 is 7517071641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1461707157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461707167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27598 + ... + 60704.

It is an arithmetic number, because the mean of its divisors is an integer number (243641772).

Almost surely, 2^1461707157 is an apocalyptic number.

It is an amenable number.

1461707157 is a deficient number, since it is larger than the sum of its proper divisors (487427019).

1461707157 is a wasteful number, since it uses less digits than its factorization.

1461707157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47827.

The product of its (nonzero) digits is 41160, while the sum is 39.

The square root of 1461707157 is about 38232.2789930185. The cubic root of 1461707157 is about 1134.8891860736.

Adding to 1461707157 its reverse (7517071641), we get a palindrome (8978778798).

The spelling of 1461707157 in words is "one billion, four hundred sixty-one million, seven hundred seven thousand, one hundred fifty-seven".