1407538457 has 8 divisors (see below), whose sum is σ = 1517861184. Its totient is φ = 1297508688.

The previous prime is 1407538453. The next prime is 1407538459. The reversal of 1407538457 is 7548357041.

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 1407538457 - 2² = 1407538453 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1407538453) 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, 63203 + ... + 82520.

It is an arithmetic number, because the mean of its divisors is an integer number (189732648).

Almost surely, 2^1407538457 is an apocalyptic number.

It is an amenable number.

1407538457 is a deficient number, since it is larger than the sum of its proper divisors (110322727).

1407538457 is a wasteful number, since it uses less digits than its factorization.

1407538457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146479.

The product of its (nonzero) digits is 470400, while the sum is 44.

The square root of 1407538457 is about 37517.1754933657. The cubic root of 1407538457 is about 1120.6932509198.

The spelling of 1407538457 in words is "one billion, four hundred seven million, five hundred thirty-eight thousand, four hundred fifty-seven".