1378460157 has 16 divisors (see below), whose sum is σ = 1851845952. Its totient is φ = 912038400.

The previous prime is 1378460143. The next prime is 1378460183. The reversal of 1378460157 is 7510648731.

It is not a de Polignac number, because 1378460157 - 2⁷ = 1378460029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378460137) 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, 682413 + ... + 684429.

It is an arithmetic number, because the mean of its divisors is an integer number (115740372).

Almost surely, 2^1378460157 is an apocalyptic number.

It is an amenable number.

1378460157 is a deficient number, since it is larger than the sum of its proper divisors (473385795).

1378460157 is a wasteful number, since it uses less digits than its factorization.

1378460157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1378460157 is about 37127.6198671555. The cubic root of 1378460157 is about 1112.9220300426.

The spelling of 1378460157 in words is "one billion, three hundred seventy-eight million, four hundred sixty thousand, one hundred fifty-seven".