157126405 has 8 divisors (see below), whose sum is σ = 192563712. Its totient is φ = 123026448.

The previous prime is 157126373. The next prime is 157126433. The reversal of 157126405 is 504621751.

157126405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157126405 - 2⁵ = 157126373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334077 + ... + 334546.

It is an arithmetic number, because the mean of its divisors is an integer number (24070464).

Almost surely, 2^157126405 is an apocalyptic number.

It is an amenable number.

157126405 is a deficient number, since it is larger than the sum of its proper divisors (35437307).

157126405 is an equidigital number, since it uses as much as digits as its factorization.

157126405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668675.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 157126405 is about 12535.0071798942. The cubic root of 157126405 is about 539.6138128143.

The spelling of 157126405 in words is "one hundred fifty-seven million, one hundred twenty-six thousand, four hundred five".