1457731139 has 8 divisors (see below), whose sum is σ = 1509881520. Its totient is φ = 1405706400.

The previous prime is 1457731117. The next prime is 1457731151. The reversal of 1457731139 is 9311377541.

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

It is a cyclic number.

It is not a de Polignac number, because 1457731139 - 2¹⁶ = 1457665603 is a prime.

It is a super-2 number, since 2×1457731139² = 4249960147220474642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1457731096 and 1457731105.

It is not an unprimeable number, because it can be changed into a prime (1457731109) 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, 7472 + ... + 54509.

It is an arithmetic number, because the mean of its divisors is an integer number (188735190).

Almost surely, 2^1457731139 is an apocalyptic number.

1457731139 is a deficient number, since it is larger than the sum of its proper divisors (52150381).

1457731139 is an equidigital number, since it uses as much as digits as its factorization.

1457731139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62821.

The product of its digits is 79380, while the sum is 41.

The square root of 1457731139 is about 38180.2454025639. The cubic root of 1457731139 is about 1133.8592402845.

The spelling of 1457731139 in words is "one billion, four hundred fifty-seven million, seven hundred thirty-one thousand, one hundred thirty-nine".