1406149490 has 16 divisors (see below), whose sum is σ = 2537972352. Its totient is φ = 560925744.

The previous prime is 1406149487. The next prime is 1406149501. The reversal of 1406149490 is 949416041.

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, 187904 + ... + 195243.

It is an arithmetic number, because the mean of its divisors is an integer number (158623272).

Almost surely, 2^1406149490 is an apocalyptic number.

1406149490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406149490 is a deficient number, since it is larger than the sum of its proper divisors (1131822862).

1406149490 is a wasteful number, since it uses less digits than its factorization.

1406149490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383521.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1406149490 is about 37498.6598427197. The cubic root of 1406149490 is about 1120.3244940928.

The spelling of 1406149490 in words is "one billion, four hundred six million, one hundred forty-nine thousand, four hundred ninety".